Vulnerability-Lookup

RHSA-2026:2852

Vulnerability from csaf_redhat - Published: 2026-02-17 23:04 - Updated: 2026-06-03 17:10

Summary

Red Hat Security Advisory: OpenShift Security Profiles Operator bug fix and enhancement update

Severity

Important

Notes

Topic: An updated OpenShift Security Profiles Operator image that fixes various bugs and adds new enhancements is now available for the Red Hat OpenShift Enterprise 4 catalog.

Details: The Security Profiles Operator v0.10.0 is now available. See the documentation for release information: https://docs.redhat.com/en/documentation/openshift_container_platform/latest/html/security_and_compliance/security-profiles-operator

Terms of Use: 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.

CVE-2025-66506

A flaw was found in Fulcio, a free-to-use certificate authority. This vulnerability allows a denial of service (DoS) due to excessive memory allocation when processing a malicious OpenID Connect (OIDC) identity token containing numerous period characters.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-405 - Asymmetric Resource Consumption (Amplification)

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-operator-bundle@sha256:4604d631307390e44fea4729d87470a32f294f380b4c7c9448a8e1a82ccec5b7_amd64	—	Vendor Fix fix
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:66c78e05a610eb31b8a350502b778305e53da9576ae124a3eb7ab3cc29595297_ppc64le	—	Vendor Fix fix
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:e599c020744224294ed24d028ad1c5f4cca1192d9d487517286a6b7591d80f54_amd64	—	Vendor Fix fix

Known not affected 6 products

Product	Identifier	Version	Remediation
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel10@sha256:1484157970f2cc4470dfec565fb5f81137402bdcd52d63cd40be4b0e9c8ce039_amd64		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel10@sha256:659e7bfe28f0dad419b9559be5a3b9f00ed6871ca3425ae5f1abc478ed7072c8_ppc64le		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel8@sha256:7143fa2fba9fb559ef13143cebfa69dbd7cb1f94284a640e5cbdb700e6cf6de0_amd64		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel8@sha256:8baa5bd3ecbbb1708d1270f7f30b707dd381e72b9a4fef554044039d6404771e_ppc64le		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel9@sha256:2b2e1b736ad8d69e15ede3f38de2637c695d0819e66d4c9c9df0aa3ebeee9df9_ppc64le		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel9@sha256:f7795017bcbace2e5e86ab1e7906d60ddd06c1b7fdd4ce7891eade3d993ec7b8_amd64		—

Threats

Impact Important

CVE-2025-66564

A flaw was found in Sigstore Timestamp Authority. This vulnerability allows a denial of service via excessive memory allocation when processing a specially crafted Object Identifier or Content-Type header.

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-405 - Asymmetric Resource Consumption (Amplification)

Affected products

Fixed 3 products

Product	Version	Remediation
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-operator-bundle@sha256:4604d631307390e44fea4729d87470a32f294f380b4c7c9448a8e1a82ccec5b7_amd64	—	Vendor Fix fix
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:66c78e05a610eb31b8a350502b778305e53da9576ae124a3eb7ab3cc29595297_ppc64le	—	Vendor Fix fix
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:e599c020744224294ed24d028ad1c5f4cca1192d9d487517286a6b7591d80f54_amd64	—	Vendor Fix fix

Known not affected 6 products

Product	Identifier	Version	Remediation
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel10@sha256:1484157970f2cc4470dfec565fb5f81137402bdcd52d63cd40be4b0e9c8ce039_amd64		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel10@sha256:659e7bfe28f0dad419b9559be5a3b9f00ed6871ca3425ae5f1abc478ed7072c8_ppc64le		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel8@sha256:7143fa2fba9fb559ef13143cebfa69dbd7cb1f94284a640e5cbdb700e6cf6de0_amd64		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel8@sha256:8baa5bd3ecbbb1708d1270f7f30b707dd381e72b9a4fef554044039d6404771e_ppc64le		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel9@sha256:2b2e1b736ad8d69e15ede3f38de2637c695d0819e66d4c9c9df0aa3ebeee9df9_ppc64le		—
Unresolved product id: OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel9@sha256:f7795017bcbace2e5e86ab1e7906d60ddd06c1b7fdd4ce7891eade3d993ec7b8_amd64		—

Threats

Impact Important

References

17 references

URL	Category
https://access.redhat.com/errata/RHSA-2026:2852	self
https://access.redhat.com/security/cve/CVE-2025-66506	external
https://access.redhat.com/security/cve/CVE-2025-66564	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-2025-66506	self
https://bugzilla.redhat.com/show_bug.cgi?id=2419056	external
https://www.cve.org/CVERecord?id=CVE-2025-66506	external
https://nvd.nist.gov/vuln/detail/CVE-2025-66506	external
https://github.com/sigstore/fulcio/commit/765a0e5…	external
https://github.com/sigstore/fulcio/security/advis…	external
https://access.redhat.com/security/cve/CVE-2025-66564	self
https://bugzilla.redhat.com/show_bug.cgi?id=2419054	external
https://www.cve.org/CVERecord?id=CVE-2025-66564	external
https://nvd.nist.gov/vuln/detail/CVE-2025-66564	external
https://github.com/sigstore/timestamp-authority/c…	external
https://github.com/sigstore/timestamp-authority/s…	external

JSON

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          "category": "vendor_fix",
          "date": "2026-02-17T23:04:21+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your\nsystem have been applied. For details on how to apply this update, refer to:\n  \nhttps://docs.openshift.com/container-platform/latest/updating/updating_a_cluster/updating-cluster-cli.html",
          "product_ids": [
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-operator-bundle@sha256:4604d631307390e44fea4729d87470a32f294f380b4c7c9448a8e1a82ccec5b7_amd64",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:66c78e05a610eb31b8a350502b778305e53da9576ae124a3eb7ab3cc29595297_ppc64le",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:e599c020744224294ed24d028ad1c5f4cca1192d9d487517286a6b7591d80f54_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:2852"
        }
      ],
      "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": [
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-operator-bundle@sha256:4604d631307390e44fea4729d87470a32f294f380b4c7c9448a8e1a82ccec5b7_amd64",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:66c78e05a610eb31b8a350502b778305e53da9576ae124a3eb7ab3cc29595297_ppc64le",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-security-profiles-rhel8-operator@sha256:e599c020744224294ed24d028ad1c5f4cca1192d9d487517286a6b7591d80f54_amd64",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel10@sha256:1484157970f2cc4470dfec565fb5f81137402bdcd52d63cd40be4b0e9c8ce039_amd64",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel10@sha256:659e7bfe28f0dad419b9559be5a3b9f00ed6871ca3425ae5f1abc478ed7072c8_ppc64le",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel8@sha256:7143fa2fba9fb559ef13143cebfa69dbd7cb1f94284a640e5cbdb700e6cf6de0_amd64",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel8@sha256:8baa5bd3ecbbb1708d1270f7f30b707dd381e72b9a4fef554044039d6404771e_ppc64le",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel9@sha256:2b2e1b736ad8d69e15ede3f38de2637c695d0819e66d4c9c9df0aa3ebeee9df9_ppc64le",
            "OpenShift Security Profiles Operator 1:registry.redhat.io/compliance/openshift-selinuxd-rhel9@sha256:f7795017bcbace2e5e86ab1e7906d60ddd06c1b7fdd4ce7891eade3d993ec7b8_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "github.com/sigstore/timestamp-authority: Sigstore Timestamp Authority: Denial of Service via excessive OID or Content-Type header parsing"
    }
  ]
}

CVE-2025-66506 (GCVE-0-2025-66506)

Vulnerability from cvelistv5 – Published: 2025-12-04 22:04 – Updated: 2025-12-05 15:32

Title

Fulcio allocates excessive memory during token parsing

Summary

Fulcio is a free-to-use certificate authority for issuing code signing certificates for an OpenID Connect (OIDC) identity. Prior to 1.8.3, function identity.extractIssuerURL splits (via a call to strings.Split) its argument (which is untrusted data) on periods. As a result, in the face of a malicious request with an (invalid) OIDC identity token in the payload containing many period characters, a call to extractIssuerURL incurs allocations to the tune of O(n) bytes (where n stands for the length of the function's argument), with a constant factor of about 16. This vulnerability is fixed in 1.8.3.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-405 - Asymmetric Resource Consumption (Amplification)

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/sigstore/fulcio/security/advis…	x_refsource_CONFIRM
https://github.com/sigstore/fulcio/commit/765a0e5…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
sigstore	fulcio	Affected: < 1.8.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66506",
                "options": [
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                  },
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                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2025-12-05T15:32:15.086814Z",
                "version": "2.0.3"
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "fulcio",
          "vendor": "sigstore",
          "versions": [
            {
              "status": "affected",
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            }
          ]
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      ],
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        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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"
          }
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            }
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      "providerMetadata": {
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          "url": "https://github.com/sigstore/fulcio/security/advisories/GHSA-f83f-xpx7-ffpw"
        },
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        "discovery": "UNKNOWN"
      },
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    "datePublished": "2025-12-04T22:04:41.637Z",
    "dateReserved": "2025-12-03T15:12:22.978Z",
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  },
  "dataType": "CVE_RECORD",
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}

CVE-2025-66564 (GCVE-0-2025-66564)

Vulnerability from cvelistv5 – Published: 2025-12-04 22:37 – Updated: 2025-12-05 14:55

Title

Sigstore Timestamp Authority allocates excessive memory during request parsing

Summary

Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Prior to 2.0.3, Function api.ParseJSONRequest currently splits (via a call to strings.Split) an optionally-provided OID (which is untrusted data) on periods. Similarly, function api.getContentType splits the Content-Type header (which is also untrusted data) on an application string. As a result, in the face of a malicious request with either an excessively long OID in the payload containing many period characters or a malformed Content-Type header, a call to api.ParseJSONRequest or api.getContentType incurs allocations of O(n) bytes (where n stands for the length of the function's argument). This vulnerability is fixed in 2.0.3.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-405 - Asymmetric Resource Consumption (Amplification)

Assigner

GitHub_M

References

2 references

URL	Tags
https://github.com/sigstore/timestamp-authority/s…	x_refsource_CONFIRM
https://github.com/sigstore/timestamp-authority/c…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
sigstore	timestamp-authority	Affected: < 2.0.3

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66564",
                "options": [
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                    "Exploitation": "none"
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                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-05T14:55:44.658584Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        "providerMetadata": {
          "dateUpdated": "2025-12-05T14:55:53.273Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "timestamp-authority",
          "vendor": "sigstore",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.0.3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Sigstore Timestamp Authority is a service for issuing RFC 3161 timestamps. Prior to 2.0.3, Function api.ParseJSONRequest currently splits (via a call to strings.Split) an optionally-provided OID (which is untrusted data) on periods. Similarly, function api.getContentType splits the Content-Type header (which is also untrusted data) on an application string. As a result, in the face of a malicious request with either an excessively long OID in the payload containing many period characters or a malformed Content-Type header, a call to api.ParseJSONRequest or api.getContentType incurs allocations of O(n) bytes (where n stands for the length of the function\u0027s argument). This vulnerability is fixed in 2.0.3."
        }
      ],
      "metrics": [
        {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
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            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-04T22:37:13.307Z",
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      },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/sigstore/timestamp-authority/commit/0cae34e197d685a14904e0bad135b89d13b69421"
        }
      ],
      "source": {
        "advisory": "GHSA-4qg8-fj49-pxjh",
        "discovery": "UNKNOWN"
      },
      "title": "Sigstore Timestamp Authority allocates excessive memory during request parsing"
    }
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  "cveMetadata": {
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2026:2852

CVE-2025-66506 (GCVE-0-2025-66506)

CVE-2025-66564 (GCVE-0-2025-66564)

Tags

Sightings

Nomenclature