RHSA-2026:40974

Vulnerability from csaf_redhat - Published: 2026-07-16 11:19 - Updated: 2026-09-23 18:48
Summary
Red Hat Security Advisory: RHTAS 1.3.6 - Red Hat Trusted Artifact Signer Release
Severity
Important
Notes
Topic: The 1.3.6 release of Red Hat Trusted Artifact Signer OpenShift Operator. For more details please visit the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3
Details: The RHTAS Operator can be used with OpenShift Container Platform 4.16, 4.17, 4.18, 4.19, 4.20 and 4.21
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-2026-39828

A flaw was found in golang.org/x/crypto/ssh. A remote attacker could exploit this vulnerability when an SSH server authentication callback returned a PartialSuccessError with non-nil permissions. This flaw caused these permissions to be silently discarded, potentially bypassing certificate restrictions, such as a force-command, after a second authentication factor succeeded. This could lead to unauthorized command execution or access.

8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-281 - Improper Preservation of Permissions
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64 —
Vendor Fix fix
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64 —
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/certificate-transparency-rhel9@sha256:b713256acad58c623920da912e3442803a4c6d2f7354d532ff3f772740fe86ab_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:8ee5d92df659073a13d9aa71e3e5fedac97e0c555a865ebf3697591ea6a38c59_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-database-rhel9@sha256:cbb7c79ec6053cea1269941dd40d55efb8f6437039d6cbd6a9b4ef55b6393278_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64 —
Workaround
Threats
Impact Important
CVE-2026-39829

A flaw was found in golang.org/x/crypto/ssh. The RSA and DSA public key parsers in the affected component did not enforce size limits on key parameters. This vulnerability allows an unauthenticated client to provide a crafted public key with an excessively large modulus or DSA parameter during public key authentication. Successful exploitation could lead to a denial of service (DoS) due to prolonged CPU consumption during signature verification.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-1284 - Improper Validation of Specified Quantity in Input
Affected products
Fixed 4 products, the same list as for CVE-2026-39828
Known not affected 6 products, the same list as for CVE-2026-39828
Threats
Impact Important
CVE-2026-39830

A flaw was found in golang.org/x/crypto/ssh. A remote malicious SSH peer can exploit this by sending unsolicited global request responses, which fills an internal buffer and blocks the connection's read loop. This prevents the associated resources from being released, leading to a resource leak per connection. The consequence is a Denial of Service (DoS) for the affected system.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-772 - Missing Release of Resource after Effective Lifetime
Affected products
Fixed 4 products, the same list as for CVE-2026-39828
Known not affected 6 products, the same list as for CVE-2026-39828
Threats
Impact Important
CVE-2026-39831

A flaw was found in golang.org/x/crypto/ssh. The Verify() method, responsible for FIDO/U2F security key types, did not properly check for user presence. This allowed signatures to be accepted without requiring a physical touch on the hardware security key. As a result, an attacker could potentially use a hardware security key in an unattended manner, bypassing a critical security control designed to ensure user intent.

8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-347 - Improper Verification of Cryptographic Signature
Affected products
Fixed 4 products, the same list as for CVE-2026-39828
Known not affected 6 products, the same list as for CVE-2026-39828
Threats
Impact Important
CVE-2026-39835

A flaw was found in golang.org/x/crypto/ssh. SSH servers configured to use CertChecker as a public key callback, without explicitly setting IsUserAuthority or IsHostAuthority, are vulnerable. A remote attacker can exploit this by presenting a specially crafted certificate, causing the server to panic and resulting in a Denial of Service (DoS).

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 - NULL Pointer Dereference
Affected products
Fixed 4 products, the same list as for CVE-2026-39828
Known not affected 6 products, the same list as for CVE-2026-39828
Threats
Impact Important
CVE-2026-42151

A flaw was found in Prometheus, an open-source monitoring system. The `client_secret` field within the Azure Active Directory (AD) remote write OAuth configuration was incorrectly handled as a plain string instead of a secure Secret type. This misconfiguration allowed any user or process with access to the `/-/config` HTTP API endpoint to view the Azure OAuth client secret in plaintext. This vulnerability leads to information disclosure, potentially compromising the security of integrated Azure AD services.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-256 - Plaintext Storage of a Password
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/certificate-transparency-rhel9@sha256:b713256acad58c623920da912e3442803a4c6d2f7354d532ff3f772740fe86ab_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-database-rhel9@sha256:cbb7c79ec6053cea1269941dd40d55efb8f6437039d6cbd6a9b4ef55b6393278_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64 —
Vendor Fix fix
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64 —
Vendor Fix fix
Product Identifier Version Remediation
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64 —
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64 —
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:8ee5d92df659073a13d9aa71e3e5fedac97e0c555a865ebf3697591ea6a38c59_amd64 —
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64 —
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64 —
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64 —
Threats
Impact Important
CVE-2026-42154

A flaw was found in Prometheus. An unauthenticated attacker can exploit the remote read endpoint (`/api/v1/read`) by sending a specially crafted, small snappy-compressed payload. This payload causes a disproportionately large memory allocation, leading to memory exhaustion and a Denial of Service (DoS) by crashing the Prometheus process.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 4 products, the same list as for CVE-2026-42151
Known not affected 6 products, the same list as for CVE-2026-42151
Threats
Impact Important
CVE-2026-44573

A flaw was found in Next.js. Applications utilizing the Pages Router with internationalization (i18n) configured and middleware or proxy-based authorization are susceptible to unauthorized access. A remote attacker can exploit this by making locale-less /_next/data/<buildId>/<page>.json requests, which bypass the intended authorization checks. This allows the attacker to retrieve sensitive server-side rendered (SSR) JSON data from protected pages, leading to information disclosure.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
Affected products
Product Identifier Version Remediation
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:8ee5d92df659073a13d9aa71e3e5fedac97e0c555a865ebf3697591ea6a38c59_amd64 —
Vendor Fix fix
Workaround
Product Identifier Version Remediation
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/certificate-transparency-rhel9@sha256:b713256acad58c623920da912e3442803a4c6d2f7354d532ff3f772740fe86ab_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-database-rhel9@sha256:cbb7c79ec6053cea1269941dd40d55efb8f6437039d6cbd6a9b4ef55b6393278_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64 —
Workaround
Unresolved product id: Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64 —
Workaround
Threats
Impact Important
CVE-2026-44574

A flaw was found in Next.js. This vulnerability allows an attacker to bypass security checks in web applications that use Next.js middleware to protect specific web pages. By sending specially crafted web addresses, an attacker can access protected content without proper authorization. This could lead to unauthorized viewing of sensitive information or access to restricted features.

8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
Affected products
Fixed 1 product, the same list as for CVE-2026-44573
Known not affected 9 products, the same list as for CVE-2026-44573
Threats
Impact Important
CVE-2026-44575

A flaw was found in Next.js. App Router applications that use middleware or proxy-based authorization checks are vulnerable to unauthorized access. A remote attacker can exploit this by crafting specific .rsc and segment-prefetch URLs, which bypass the intended middleware rules. This allows access to protected content without proper authorization.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-551 - Incorrect Behavior Order: Authorization Before Parsing and Canonicalization
Affected products
Fixed 1 product, the same list as for CVE-2026-44573
Known not affected 9 products, the same list as for CVE-2026-44573
Threats
Impact Important
CVE-2026-44577

A flaw was found in Next.js. When self-hosting Next.js with the default image loader, the Image Optimization API fetches local images entirely into memory without enforcing a maximum size limit. A remote attacker could exploit this by requesting large local assets from the /_next/image endpoint. This can lead to out-of-memory conditions, resulting in a Denial of Service (DoS) for the application.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 - Allocation of Resources Without Limits or Throttling
Affected products
Fixed 1 product, the same list as for CVE-2026-44573
Known not affected 9 products, the same list as for CVE-2026-44573
Threats
Impact Important
CVE-2026-44578

A flaw was found in Next.js. Self-hosted applications utilizing the built-in Node.js server are vulnerable to Server-Side Request Forgery (SSRF) through specially crafted WebSocket upgrade requests. A remote attacker can exploit this by causing the server to proxy requests to arbitrary internal or external destinations. This could lead to the exposure of internal services or sensitive cloud metadata endpoints.

8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CWE-918 - Server-Side Request Forgery (SSRF)
Affected products
Fixed 1 product, the same list as for CVE-2026-44573
Known not affected 9 products, the same list as for CVE-2026-44573
Threats
Impact Important
CVE-2026-44579

A flaw was found in Next.js. Applications utilizing Partial Prerendering via the Cache Components feature are susceptible to connection exhaustion. A remote attacker can send crafted POST requests to a server action, triggering a request-body handling deadlock. This leaves connections open, consuming server resources and ultimately leading to a Denial of Service (DoS) for legitimate users.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-833 - Deadlock
Affected products
Fixed 1 product, the same list as for CVE-2026-44573
Known not affected 9 products, the same list as for CVE-2026-44573
Threats
Impact Important
CVE-2026-45109

A flaw was found in Next.js. A remote unauthenticated attacker could exploit a bypass in a security fix when using middleware.ts with Turbopack. This vulnerability could lead to the disclosure of sensitive information.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-358 - Improperly Implemented Security Check for Standard
Affected products
Fixed 1 product, the same list as for CVE-2026-44573
Known not affected 9 products, the same list as for CVE-2026-44573
Threats
Impact Important
CVE-2026-46597

A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service (DoS) for the affected system.

7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-681 - Incorrect Conversion between Numeric Types
Affected products
Fixed 4 products, the same list as for CVE-2026-39828
Known not affected 6 products, the same list as for CVE-2026-39828
Threats
Impact Important
References
URL Category
https://access.redhat.com/errata/RHSA-2026:40974 self
https://access.redhat.com/documentation/en-us/red… external
https://access.redhat.com/documentation/en-us/red… external
https://access.redhat.com/security/cve/CVE-2026-39828 external
https://access.redhat.com/security/cve/CVE-2026-39829 external
https://access.redhat.com/security/cve/CVE-2026-39830 external
https://access.redhat.com/security/cve/CVE-2026-39831 external
https://access.redhat.com/security/cve/CVE-2026-39835 external
https://access.redhat.com/security/cve/CVE-2026-42151 external
https://access.redhat.com/security/cve/CVE-2026-42154 external
https://access.redhat.com/security/cve/CVE-2026-44573 external
https://access.redhat.com/security/cve/CVE-2026-44574 external
https://access.redhat.com/security/cve/CVE-2026-44575 external
https://access.redhat.com/security/cve/CVE-2026-44577 external
https://access.redhat.com/security/cve/CVE-2026-44578 external
https://access.redhat.com/security/cve/CVE-2026-44579 external
https://access.redhat.com/security/cve/CVE-2026-45109 external
https://access.redhat.com/security/cve/CVE-2026-46597 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-2026-39828 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480687 external
https://www.cve.org/CVERecord?id=CVE-2026-39828 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39828 external
https://go.dev/cl/781621 external
https://go.dev/issue/79562 external
https://groups.google.com/g/golang-announce/c/a08… external
https://pkg.go.dev/vuln/GO-2026-5014 external
https://access.redhat.com/security/cve/CVE-2026-39829 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480681 external
https://www.cve.org/CVERecord?id=CVE-2026-39829 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39829 external
https://go.dev/cl/781641 external
https://go.dev/cl/781661 external
https://go.dev/issue/79565 external
https://pkg.go.dev/vuln/GO-2026-5018 external
https://access.redhat.com/security/cve/CVE-2026-39830 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480684 external
https://www.cve.org/CVERecord?id=CVE-2026-39830 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39830 external
https://go.dev/cl/781640 external
https://go.dev/cl/781664 external
https://go.dev/issue/79564 external
https://pkg.go.dev/vuln/GO-2026-5017 external
https://access.redhat.com/security/cve/CVE-2026-39831 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480675 external
https://www.cve.org/CVERecord?id=CVE-2026-39831 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39831 external
https://go.dev/cl/781662 external
https://go.dev/issue/79566 external
https://pkg.go.dev/vuln/GO-2026-5019 external
https://access.redhat.com/security/cve/CVE-2026-39835 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480680 external
https://www.cve.org/CVERecord?id=CVE-2026-39835 external
https://nvd.nist.gov/vuln/detail/CVE-2026-39835 external
https://go.dev/cl/781660 external
https://go.dev/issue/79563 external
https://pkg.go.dev/vuln/GO-2026-5015 external
https://access.redhat.com/security/cve/CVE-2026-42151 self
https://bugzilla.redhat.com/show_bug.cgi?id=2466507 external
https://www.cve.org/CVERecord?id=CVE-2026-42151 external
https://nvd.nist.gov/vuln/detail/CVE-2026-42151 external
https://github.com/prometheus/prometheus/pull/18587 external
https://github.com/prometheus/prometheus/pull/18590 external
https://github.com/prometheus/prometheus/releases… external
https://github.com/prometheus/prometheus/releases… external
https://github.com/prometheus/prometheus/security… external
https://access.redhat.com/security/cve/CVE-2026-42154 self
https://bugzilla.redhat.com/show_bug.cgi?id=2466505 external
https://www.cve.org/CVERecord?id=CVE-2026-42154 external
https://nvd.nist.gov/vuln/detail/CVE-2026-42154 external
https://github.com/prometheus/prometheus/pull/18584 external
https://github.com/prometheus/prometheus/pull/18585 external
https://github.com/prometheus/prometheus/security… external
https://access.redhat.com/security/cve/CVE-2026-44573 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477199 external
https://www.cve.org/CVERecord?id=CVE-2026-44573 external
https://nvd.nist.gov/vuln/detail/CVE-2026-44573 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-44574 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477207 external
https://www.cve.org/CVERecord?id=CVE-2026-44574 external
https://nvd.nist.gov/vuln/detail/CVE-2026-44574 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-44575 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477188 external
https://www.cve.org/CVERecord?id=CVE-2026-44575 external
https://nvd.nist.gov/vuln/detail/CVE-2026-44575 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-44577 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477194 external
https://www.cve.org/CVERecord?id=CVE-2026-44577 external
https://nvd.nist.gov/vuln/detail/CVE-2026-44577 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-44578 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477187 external
https://www.cve.org/CVERecord?id=CVE-2026-44578 external
https://nvd.nist.gov/vuln/detail/CVE-2026-44578 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-44579 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477193 external
https://www.cve.org/CVERecord?id=CVE-2026-44579 external
https://nvd.nist.gov/vuln/detail/CVE-2026-44579 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-45109 self
https://bugzilla.redhat.com/show_bug.cgi?id=2477190 external
https://www.cve.org/CVERecord?id=CVE-2026-45109 external
https://nvd.nist.gov/vuln/detail/CVE-2026-45109 external
https://github.com/vercel/next.js/security/adviso… external
https://access.redhat.com/security/cve/CVE-2026-46597 self
https://bugzilla.redhat.com/show_bug.cgi?id=2480678 external
https://www.cve.org/CVERecord?id=CVE-2026-46597 external
https://nvd.nist.gov/vuln/detail/CVE-2026-46597 external
https://go.dev/cl/781620 external
https://go.dev/issue/79561 external
https://pkg.go.dev/vuln/GO-2026-5013 external
To clipboard 

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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
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          "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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          "text": "A flaw was found in golang.org/x/crypto/ssh. The RSA and DSA public key parsers in the affected component did not enforce size limits on key parameters. This vulnerability allows an unauthenticated client to provide a crafted public key with an excessively large modulus or DSA parameter during public key authentication. Successful exploitation could lead to a denial of service (DoS) due to prolonged CPU consumption during signature verification.",
          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability in golang.org/x/crypto/ssh is rated as Important. An unauthenticated remote attacker could trigger a denial of service by providing a specially crafted public key with excessively large parameters during SSH public key authentication. This could lead to prolonged CPU consumption on the server, impacting 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"
        }
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          "url": "https://access.redhat.com/errata/RHSA-2026:40974"
        },
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          "category": "workaround",
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            "baseScore": 7.5,
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            "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",
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      "title": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters"
    },
    {
      "cve": "CVE-2026-39830",
      "cwe": {
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          "text": "A flaw was found in golang.org/x/crypto/ssh. A remote malicious SSH peer can exploit this by sending unsolicited global request responses, which fills an internal buffer and blocks the connection\u0027s read loop. This prevents the associated resources from being released, leading to a resource leak per connection. The consequence is a Denial of Service (DoS) for the affected system.",
          "title": "Vulnerability description"
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          "category": "summary",
          "text": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important denial of service flaw in `golang.org/x/crypto/ssh`. A remote, unauthenticated attacker can exploit this vulnerability by sending unsolicited global request responses to an affected SSH server, leading to resource exhaustion and a denial of service. The impact is considered Important due to the potential for unauthenticated remote disruption of services utilizing the vulnerable SSH library.",
          "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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          "summary": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI",
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        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-39835",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-39835"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-39835",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39835"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/781660",
          "url": "https://go.dev/cl/781660"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/79563",
          "url": "https://go.dev/issue/79563"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI",
          "url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5015",
          "url": "https://pkg.go.dev/vuln/GO-2026-5015"
        }
      ],
      "release_date": "2026-05-22T02:31:26.982000+00:00",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2026:40974"
        },
        {
          "category": "workaround",
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    },
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "github.com/prometheus/prometheus: Prometheus: Information disclosure of Azure OAuth client secret via config API",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Important information disclosure flaw in Prometheus affects instances configured to use Azure AD remote write with OAuth authentication. The client secret, intended to be a secure credential, is exposed in plaintext through the `/-/config` HTTP API endpoint. This could allow an attacker with access to this endpoint to retrieve the secret, potentially compromising integrated Azure AD services.",
          "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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    },
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      "cve": "CVE-2026-42154",
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        "id": "CWE-770",
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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
        },
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          "category": "other",
          "text": "This is an Important denial of service vulnerability in Prometheus, allowing an unauthenticated remote attacker to crash the Prometheus process. This could lead to service unavailability in Red Hat products that deploy Prometheus for monitoring, as the remote read endpoint does not properly validate snappy-compressed request lengths.",
          "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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            "baseScore": 7.5,
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            "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",
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          "details": "Important"
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      "title": "github.com/prometheus/prometheus: Prometheus: Denial of Service via uncontrolled memory allocation in remote read endpoint"
    },
    {
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      "cwe": {
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          "title": "Statement"
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        "id": "CWE-551",
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          "title": "Statement"
        },
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          "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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          "title": "Vulnerability description"
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          "title": "Statement"
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          "title": "CVSS score applicability"
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            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2480678"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in golang.org/x/crypto/ssh. A remote attacker could send specially crafted inputs to the AES-GCM packet decoder. This could lead to an incorrectly placed cast from bytes to an integer, causing a server-side panic and resulting in a Denial of Service (DoS) for the affected system.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted AES-GCM packet decoder inputs",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This Important denial of service flaw in `golang.org/x/crypto/ssh` allows a remote attacker to trigger a server-side panic by sending specially crafted inputs to the AES-GCM packet decoder. This vulnerability could lead to service unavailability in Red Hat products that incorporate and expose SSH services built with the affected `golang.org/x/crypto/ssh` component.",
          "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 Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64"
        ],
        "known_not_affected": [
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          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:8ee5d92df659073a13d9aa71e3e5fedac97e0c555a865ebf3697591ea6a38c59_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-database-rhel9@sha256:cbb7c79ec6053cea1269941dd40d55efb8f6437039d6cbd6a9b4ef55b6393278_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64",
          "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-46597"
        },
        {
          "category": "external",
          "summary": "RHBZ#2480678",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480678"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-46597",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-46597"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-46597",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46597"
        },
        {
          "category": "external",
          "summary": "https://go.dev/cl/781620",
          "url": "https://go.dev/cl/781620"
        },
        {
          "category": "external",
          "summary": "https://go.dev/issue/79561",
          "url": "https://go.dev/issue/79561"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI",
          "url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2026-5013",
          "url": "https://pkg.go.dev/vuln/GO-2026-5013"
        }
      ],
      "release_date": "2026-05-22T02:31:26.754000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-07-16T11:19:42+00:00",
          "details": "Red Hat Trusted Artifact Signer simplifies cryptographic signing and verifying of software artifacts such as container images, binaries and source code changes. It is a self-managed on-premise deployment of the Sigstore project available at https://sigstore.dev\n\nPlatform Engineers, Software Developers and Security Professionals may use RHTAS to ensure the integrity, transparency and assurance of their organization\u0027s software supply chain.\n\nFor details on using the operator, refer to the product documentation at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3\n\nYou can find the release notes for this version of Red Hat Trusted Artifact Signer at https://access.redhat.com/documentation/en-us/red_hat_trusted_artifact_signer/1.3/html-single/release_notes/index",
          "product_ids": [
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:40974"
        },
        {
          "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 Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/certificate-transparency-rhel9@sha256:b713256acad58c623920da912e3442803a4c6d2f7354d532ff3f772740fe86ab_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:8ee5d92df659073a13d9aa71e3e5fedac97e0c555a865ebf3697591ea6a38c59_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-database-rhel9@sha256:cbb7c79ec6053cea1269941dd40d55efb8f6437039d6cbd6a9b4ef55b6393278_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64"
          ]
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      ],
      "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": [
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            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/fulcio-rhel9@sha256:ddeaf6343db4caaa9e33c6acac0ac2025b807780570bcbfaa412d0bf89b8cb9b_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-backfill-redis-rhel9@sha256:28a5270a23b171cdaaca9adf3d6fc24db410a01fc1acdbd87b666e61215f5b3c_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-search-ui-rhel9@sha256:8ee5d92df659073a13d9aa71e3e5fedac97e0c555a865ebf3697591ea6a38c59_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/rekor-server-rhel9@sha256:03a020d623cc6115237fee9579500f7b047789857df04bdc7c6c14cb37e6de7b_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/timestamp-authority-rhel9@sha256:cc908b30beddb8c8857888ab0a7b2c84990749b7bfd326ccbd06606ae93427d2_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-database-rhel9@sha256:cbb7c79ec6053cea1269941dd40d55efb8f6437039d6cbd6a9b4ef55b6393278_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logserver-rhel9@sha256:716df3ddc8bbf4a5c25dae7dbbd1bebba91508df2bb4cc2cc1979c5e5d97923e_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-logsigner-rhel9@sha256:a480b790358eaf214628d5e9d94b9a05614b76540e35ccca33cff3319c7ae6a0_amd64",
            "Red Hat Trusted Artifact Signer 1.3:registry.redhat.io/rhtas/trillian-redis-rhel9@sha256:e4d9e12f8a0af0fa79ef79d0f3b938a7b1d0049baaf305168fb70a8a9922694e_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted AES-GCM packet decoder inputs"
    }
  ]
}



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Tags
Taxonomy of the tags.





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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.