RHSA-2026:49705

Vulnerability from csaf_redhat - Published: 2026-08-03 16:33 - Updated: 2026-08-04 22:23
Summary
Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.0.14
Severity
Important
Notes
Topic: Red Hat OpenShift Service Mesh 3.0.14 This update has a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat OpenShift Service Mesh 3.0.14, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application. Security Fix(es): * CVE-2026-27145 openshift-service-mesh/istio-proxyv2-rhel9: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631) * CVE-2026-27145 openshift-service-mesh/istio-pilot-rhel9: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631) * CVE-2026-27145 openshift-service-mesh/istio-cni-rhel9: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631) * CVE-2026-27145 openshift-service-mesh/istio-rhel9-operator: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631) * CVE-2026-47204 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Denial of Service via Connect protocol request (OSSM-14836) * CVE-2026-48042 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Denial of Service via deeply nested JSON objects (OSSM-14845) * CVE-2026-48044 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Denial of Service via specially crafted zstd payload (OSSM-14848) * CVE-2026-47221 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Null pointer deref in internal redirects (OSSM-14852)
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A flaw was found in the `crypto/x509` package of `golang`. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name (SAN) entries. The certificate verification process, specifically the `VerifyHostname` function, incurs excessive computational overhead due to repeated string operations when processing these entries. This can lead to a significant performance degradation or unresponsiveness of systems validating such certificates.

CWE-606 - Unchecked Input for Loop Condition
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64
Workaround
Threats
Impact Important

A flaw was found in Envoy, an open source edge and service proxy. A remote attacker can exploit this vulnerability by sending a specially crafted Connect protocol request to a direct response route. This action causes the `envoy.filters.http.grpc_stats` filter to crash, leading to a denial of service (DoS) for the Envoy process. This can disrupt services relying on the proxy.

CWE-476 - NULL Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64
Workaround
Threats
Impact Moderate

A flaw was found in Envoy. An unauthenticated attacker can exploit a null pointer dereference vulnerability in the router filter. This occurs when handling HTTP 303 (See Other) internal redirects for body-less non-GET/HEAD requests. By sending a POST, PUT, DELETE, or PATCH request without a body to a specially configured route, and if the upstream responds with HTTP 303, the Envoy process will crash. This leads to a complete denial of service, terminating all active connections.

CWE-476 - NULL Pointer Dereference
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64
Workaround
Threats
Impact Moderate

A flaw was found in Envoy, an open-source edge and service proxy. A remote attacker could exploit this vulnerability by sending deeply nested JSON objects to the affected system. This could lead to a stack overflow during the destruction of JSON objects, resulting in a Denial of Service (DoS) for the Envoy proxy.

CWE-776 - Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64
Workaround
Threats
Impact Important

A flaw was found in Envoy, an open source edge and service proxy. A remote attacker can exploit this vulnerability by sending a specially crafted, highly compressed zstd payload to an Envoy proxy with zstd decompression enabled. This can lead to massive memory allocation, causing severe memory exhaustion and potentially resulting in an Out-Of-Memory (OOM) kill and Denial of Service (DoS) for the Envoy proxy.

CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le
Vendor Fix fix
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le
Workaround
Unresolved product id: Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64
Workaround
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:49705 self
https://access.redhat.com/security/cve/CVE-2026-27145 external
https://access.redhat.com/security/cve/CVE-2026-47204 external
https://access.redhat.com/security/cve/CVE-2026-47221 external
https://access.redhat.com/security/cve/CVE-2026-48042 external
https://access.redhat.com/security/cve/CVE-2026-48044 external
https://access.redhat.com/security/updates/classi… external
https://security.access.redhat.com/data/csaf/v2/a… self
https://access.redhat.com/security/cve/CVE-2026-27145 self
https://bugzilla.redhat.com/show_bug.cgi?id=2484207 external
https://www.cve.org/CVERecord?id=CVE-2026-27145 external
https://nvd.nist.gov/vuln/detail/CVE-2026-27145 external
https://go.dev/cl/783621 external
https://go.dev/issue/79694 external
https://groups.google.com/g/golang-announce/c/tKs… external
https://pkg.go.dev/vuln/GO-2026-5037 external
https://access.redhat.com/security/cve/CVE-2026-47204 self
https://bugzilla.redhat.com/show_bug.cgi?id=2494195 external
https://www.cve.org/CVERecord?id=CVE-2026-47204 external
https://nvd.nist.gov/vuln/detail/CVE-2026-47204 external
https://github.com/envoyproxy/envoy/security/advi… external
https://access.redhat.com/security/cve/CVE-2026-47221 self
https://bugzilla.redhat.com/show_bug.cgi?id=2493646 external
https://www.cve.org/CVERecord?id=CVE-2026-47221 external
https://nvd.nist.gov/vuln/detail/CVE-2026-47221 external
https://github.com/envoyproxy/envoy/security/advi… external
https://access.redhat.com/security/cve/CVE-2026-48042 self
https://bugzilla.redhat.com/show_bug.cgi?id=2494196 external
https://www.cve.org/CVERecord?id=CVE-2026-48042 external
https://nvd.nist.gov/vuln/detail/CVE-2026-48042 external
https://github.com/envoyproxy/envoy/blob/099a9d71… external
https://github.com/envoyproxy/envoy/security/advi… external
https://access.redhat.com/security/cve/CVE-2026-48044 self
https://bugzilla.redhat.com/show_bug.cgi?id=2493649 external
https://www.cve.org/CVERecord?id=CVE-2026-48044 external
https://nvd.nist.gov/vuln/detail/CVE-2026-48044 external
https://github.com/envoyproxy/envoy/security/advi… external

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        "text": "Red Hat OpenShift Service Mesh 3.0.14\n\nThis update has a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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        "text": "Red Hat OpenShift Service Mesh 3.0.14, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application.\n\nSecurity Fix(es):\n\n* CVE-2026-27145 openshift-service-mesh/istio-proxyv2-rhel9: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631)\n* CVE-2026-27145 openshift-service-mesh/istio-pilot-rhel9: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631)\n* CVE-2026-27145 openshift-service-mesh/istio-cni-rhel9: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631)\n* CVE-2026-27145 openshift-service-mesh/istio-rhel9-operator: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (OSSM-14631)\n* CVE-2026-47204 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Denial of Service via Connect protocol request (OSSM-14836)\n* CVE-2026-48042 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Denial of Service via deeply nested JSON objects (OSSM-14845)\n* CVE-2026-48044 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Denial of Service via specially crafted zstd payload (OSSM-14848)\n* CVE-2026-47221 openshift-service-mesh/istio-proxyv2-rhel9: Envoy: Null pointer deref in internal redirects (OSSM-14852)",
        "title": "Details"
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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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    {
      "cve": "CVE-2026-27145",
      "cwe": {
        "id": "CWE-606",
        "name": "Unchecked Input for Loop Condition"
      },
      "discovery_date": "2026-06-02T23:01:08.992540+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2484207"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the `crypto/x509` package of `golang`. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by presenting a specially crafted X.509 certificate with a large number of DNS Subject Alternative Name (SAN) entries. The certificate verification process, specifically the `VerifyHostname` function, incurs excessive computational overhead due to repeated string operations when processing these entries. This can lead to a significant performance degradation or unresponsiveness of systems validating such certificates.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A flaw was found in the Go standard library crypto/x509 package. When verifying a TLS certificate hostname, VerifyHostname processed each DNS Subject Alternative Name (SAN) entry in a loop and repeatedly split the candidate hostname on \".\" characters. For certificates with a very large DNS SAN list, CPU use could grow quadratically with the number of SAN entries and hostname labels. Because hostname verification runs before the certificate chain is built, this overhead can occur even when the certificate is not trusted.\n\nRed Hat rates this issue as Important. It affects Red Hat products that include the Go standard library crypto/x509 code from an affected Go toolchain version (before Go 1.25.11, or from Go 1.26.0 through Go 1.26.3). Applications and container images built with a fixed Go release (1.25.11 or later, or 1.26.4 or later) are not affected. Community distributions such as Fedora are also affected.\n\nUpstream fix: Go 1.25.11 and Go 1.26.4 (GO-2026-5037).",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64",
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le",
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-27145"
        },
        {
          "category": "external",
          "summary": "RHBZ#2484207",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484207"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-27145",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-27145"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27145"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/783621",
          "url": "https://go.dev/cl/783621"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/79694",
          "url": "https://go.dev/issue/79694"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw",
          "url": "https://groups.google.com/g/golang-announce/c/tKs3rmcBcKw"
        },
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          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5037",
          "url": "https://pkg.go.dev/vuln/GO-2026-5037"
        }
      ],
      "release_date": "2026-06-02T22:01:36.954000+00:00",
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          "category": "vendor_fix",
          "date": "2026-08-03T16:33:03+00:00",
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        {
          "category": "workaround",
          "details": "A flaw was found in the Go standard library crypto/x509 package. When verifying a TLS certificate hostname, VerifyHostname processed each DNS Subject Alternative Name (SAN) entry in a loop and repeatedly split the candidate hostname on \".\" characters. For certificates with a very large DNS SAN list, CPU use could grow quadratically with the number of SAN entries and hostname labels. Because hostname verification runs before the certificate chain is built, this overhead can occur even when the certificate is not trusted.\n\nRed Hat rates this issue as Important. It affects Red Hat products that include the Go standard library crypto/x509 code from an affected Go toolchain version (before Go 1.25.11, or from Go 1.26.0 through Go 1.26.3). Applications and container images built with a fixed Go release (1.25.11 or later, or 1.26.4 or later) are not affected. Community distributions such as Fedora are also affected.\n\nUpstream fix: Go 1.25.11 and Go 1.26.4 (GO-2026-5037).",
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          "cvss_v3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries"
    },
    {
      "cve": "CVE-2026-47204",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2026-06-29T14:01:42.073320+00:00",
      "flags": [
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          ]
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2494195"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy, an open source edge and service proxy. A remote attacker can exploit this vulnerability by sending a specially crafted Connect protocol request to a direct response route. This action causes the `envoy.filters.http.grpc_stats` filter to crash, leading to a denial of service (DoS) for the Envoy process. This can disrupt services relying on the proxy.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: Envoy: Denial of Service via Connect protocol request",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Moderate-impact denial of service flaw in Envoy allows a remote, unauthenticated attacker to crash the Envoy proxy process by sending a specially crafted Connect protocol request to a direct response route. This vulnerability affects Red Hat OpenShift Service Mesh and cloud.redhat.com services that utilize Envoy, potentially disrupting service availability.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64",
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-47204"
        },
        {
          "category": "external",
          "summary": "RHBZ#2494195",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494195"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-47204",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-47204"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-47204",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47204"
        },
        {
          "category": "external",
          "summary": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6",
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-3jxh-8p6x-7pf6"
        }
      ],
      "release_date": "2026-06-26T17:37:17.376000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-03T16:33:03+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.14 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:49705"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: Envoy: Denial of Service via Connect protocol request"
    },
    {
      "cve": "CVE-2026-47221",
      "cwe": {
        "id": "CWE-476",
        "name": "NULL Pointer Dereference"
      },
      "discovery_date": "2026-06-26T19:00:56.667030+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64",
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493646"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy. An unauthenticated attacker can exploit a null pointer dereference vulnerability in the router filter. This occurs when handling HTTP 303 (See Other) internal redirects for body-less non-GET/HEAD requests. By sending a POST, PUT, DELETE, or PATCH request without a body to a specially configured route, and if the upstream responds with HTTP 303, the Envoy process will crash. This leads to a complete denial of service, terminating all active connections.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: Envoy: Null pointer deref in internal redirects",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Moderate: An unauthenticated attacker can trigger a denial of service in Envoy. This is due to a null pointer dereference when handling HTTP 303 internal redirects for body-less non-GET/HEAD requests, leading to a crash of the Envoy process. This vulnerability affects Envoy deployments configured with an internal redirect policy that includes HTTP 303 in `redirect_response_codes`.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64"
        ],
        "known_not_affected": [
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-47221"
        },
        {
          "category": "external",
          "summary": "RHBZ#2493646",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493646"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-47221",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-47221"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-47221",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47221"
        },
        {
          "category": "external",
          "summary": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-rcff-gw58-pjpr",
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-rcff-gw58-pjpr"
        }
      ],
      "release_date": "2026-06-26T17:35:29.518000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-03T16:33:03+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.14 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:49705"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64",
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          ]
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "envoy: Envoy: Null pointer deref in internal redirects"
    },
    {
      "cve": "CVE-2026-48042",
      "cwe": {
        "id": "CWE-776",
        "name": "Improper Restriction of Recursive Entity References in DTDs (\u0027XML Entity Expansion\u0027)"
      },
      "discovery_date": "2026-06-29T14:01:50.582171+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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          ]
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2494196"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy, an open-source edge and service proxy. A remote attacker could exploit this vulnerability by sending deeply nested JSON objects to the affected system. This could lead to a stack overflow during the destruction of JSON objects, resulting in a Denial of Service (DoS) for the Envoy proxy.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "envoy: Envoy: Denial of Service via deeply nested JSON objects",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in Envoy, an open-source edge and service proxy. A remote attacker can trigger a stack overflow by sending deeply nested JSON objects, leading to service unavailability. This vulnerability affects systems where Envoy is deployed and exposed to untrusted input, potentially disrupting critical proxy functionalities.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48042"
        },
        {
          "category": "external",
          "summary": "RHBZ#2494196",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494196"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48042",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48042"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48042",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48042"
        },
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          "category": "external",
          "summary": "https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21",
          "url": "https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21"
        },
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          "category": "external",
          "summary": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv",
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv"
        }
      ],
      "release_date": "2026-06-26T17:29:14.964000+00:00",
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          "category": "vendor_fix",
          "date": "2026-08-03T16:33:03+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.14 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
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          "restart_required": {
            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:49705"
        },
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "envoy: Envoy: Denial of Service via deeply nested JSON objects"
    },
    {
      "cve": "CVE-2026-48044",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "discovery_date": "2026-06-26T19:01:14.020511+00:00",
      "flags": [
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          "label": "vulnerable_code_not_present",
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      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2493649"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Envoy, an open source edge and service proxy. A remote attacker can exploit this vulnerability by sending a specially crafted, highly compressed zstd payload to an Envoy proxy with zstd decompression enabled. This can lead to massive memory allocation, causing severe memory exhaustion and potentially resulting in an Out-Of-Memory (OOM) kill and Denial of Service (DoS) for the Envoy proxy.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Envoy: Envoy: Denial of Service via specially crafted zstd payload",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability in Envoy\u0027s zstd decompressor is rated as Important, as a remote, unauthenticated attacker can induce a denial of service. By sending a specially crafted zstd payload, an attacker can cause excessive memory allocation, leading to an Out-Of-Memory condition and service disruption for Envoy proxy instances deployed in Red Hat environments.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le",
          "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-48044"
        },
        {
          "category": "external",
          "summary": "RHBZ#2493649",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2493649"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-48044",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-48044"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-48044",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48044"
        },
        {
          "category": "external",
          "summary": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-m3p9-47wh-88wg",
          "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-m3p9-47wh-88wg"
        }
      ],
      "release_date": "2026-06-26T17:31:37.602000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-03T16:33:03+00:00",
          "details": "See Red Hat OpenShift Service Mesh 3.0.14 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:49705"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:36b3c326e2fba0b8824c5dbf59cfb7d959210d1a4db5f3916c1cb45e60d84ad2_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:4198b046dac61c231cef9bbd9fb46c471398dd35810b8f5529127bcdca17b984_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c470def3c88ed1fc0b9910b661dc5868eae2d9b98e3716708ed2e20e5c394864_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ca7c68ead0366eb0403b66501d3b36b6b6943e1f03ad715152d24574bf0ea27f_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:1db5c7b66608f7115d5d1a754db2a6671d29d3c74409d49f0569172f2a93ea23_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:2d59e8a82176436d26d5901f4ded8a96a69c21a7b6ba2a44236ac3e7fd13803c_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c495aca6fdf9ce0b918a25dcf945d60ce48b123f3e62aad7c6050d12b233f8fc_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:fc11bcd756930e9a924f3c393c64b3d05f4042c905c64ba4abe6daea6d162b5c_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ef5bcb35860861c56db161d1f58eee93da60e8ae567ab99b0f490ed99d005e_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:881ea7b69aab940e260e2c30a14ac238a48a932a4151f456612e99113bf56d60_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a5c0a575e5006cb54ed0d1bd010a89ee77a255d75261c066cc86500cffa15809_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:b0c4f45a65a299dde118b0218f15c6ddaeb4445a72a01d9599f1058a23b7b6ea_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:2cfe598f59d5d8ab5db3b282f8855e308ec3464a59a3c1fda8c060e89d810fbd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:43600305cb1d27e91499edcf019e6ec37ed76044b1c0c7f2a38d563f33ff7621_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:474b1618ff7b83f00fa32498a0e804139d6e75965822467374390f24189cf05a_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a32dc6e5e586953fed9aa5eceee97885fc8a9a9fb095fc5125da1f53707d92c1_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:59fa6f408b345a25d7e9dd12cf79c5e56cae7a7c2d814ef32512346021485060_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:cd1e969fed2cc48c6b2b2e911164bba8294bce35b5e386d64729296aed5a31e7_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e1de2591216c2b907756cb1589e5257469e358ec26fd54355a9e2adb492854fd_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e2de4e2eaa221b5942369955da3a1a0eaf3076ef444dafc36739481ef0c583ef_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:2321852a236377f6dc7149fe410ba711eb86868270b8dddc61d0b4dbbbd012ad_arm64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:464a08aa193402064fca7c03c56f4e207ad4cf8367b65b5fa8dc76ed8295d943_amd64",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:4a999a30d276b344a48829b9a23df39df129bd4b5d9c9e50400e9f5d0cc6da47_s390x",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:f5a42a94174b608ec70cf1d455e3af1b2fe2a53d4a4c635fd8ccf246c606c4db_ppc64le",
            "Red Hat OpenShift Service Mesh 3.0:registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:d78a3d9a4719160ff763ba5da4dcacec0724e3772f9e4e8923b73f1d6bd0c501_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Envoy: Envoy: Denial of Service via specially crafted zstd payload"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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