Red Hat Linux Security Advisories & CVEs
413 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Security advisories for your Red Hat release
Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata — keep the system patched. This is the release's advisory history, not a per-package scan.
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Red Hat Security Data API
Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat advisories
Critical [CVE-2026-5873] Out of bounds read and write in V8
Out of bounds read and write in V8. Red Hat rates this important (CVSS 9.6). Weakness: CWE-125. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5859] Integer overflow in WebML
Integer overflow in WebML. Red Hat rates this important (CVSS 9.6). Weakness: CWE-190. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-35030] Authentication bypass and privilege escalation via OIDC userinfo cache key collision
Authentication bypass and privilege escalation via OIDC userinfo cache key collision. Red Hat rates this important (CVSS 9.1). Weakness: CWE-222. Affected package(s): ansible-automation-platform, rhoai/odh-llama-stack-core-rhel9:1781826406, rhoai/odh-llama-stack-core-rhel9:1782310008. Resolved in Red Hat advisory RHSA-2026:28960 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3.
Critical [CVE-2026-34875] Mbed TLS and TF-PSA-Crypto: Arbitrary code execution due to buffer overflow in FFDH key export
Mbed TLS and TF-PSA-Crypto: Arbitrary code execution due to buffer overflow in FFDH key export. Red Hat rates this critical (CVSS 9.8). Weakness: CWE-120. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-34873] Client impersonation during TLS 1.3 session resumption
Client impersonation during TLS 1.3 session resumption. Red Hat rates this critical (CVSS 10). Weakness: CWE-290. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5272] Heap buffer overflow in GPU
Heap buffer overflow in GPU. Red Hat rates this important (CVSS 9.6). Weakness: CWE-120. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5284] Use after free in Dawn
Use after free in Dawn. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5278] Use after free in Web MIDI
Use after free in Web MIDI. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5285] Use after free in WebGL
Use after free in WebGL. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5274] Integer overflow in Codecs
Integer overflow in Codecs. Red Hat rates this important (CVSS 9.6). Weakness: CWE-190. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5275] Heap buffer overflow in ANGLE
Heap buffer overflow in ANGLE. Red Hat rates this important (CVSS 9.6). Weakness: CWE-787. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5273] Use after free in CSS
Use after free in CSS. Red Hat rates this important (CVSS 9.6). Weakness: CWE-825. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5277] Integer overflow in ANGLE
Integer overflow in ANGLE. Red Hat rates this important (CVSS 9). Weakness: CWE-190. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-5279] Object corruption in V8
Object corruption in V8. Red Hat rates this important (CVSS 9.6). Weakness: CWE-843. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2025-15379] Arbitrary command execution via command injection in model serving container initialization.
Arbitrary command execution via command injection in model serving container initialization.. Red Hat rates this important (CVSS 9). Weakness: CWE-78. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat OpenShift AI (RHOAI).
Critical [CVE-2025-15036] Path traversal vulnerability allows arbitrary file overwrite and privilege escalation
Path traversal vulnerability allows arbitrary file overwrite and privilege escalation. Red Hat rates this important (CVSS 9.6). Weakness: CWE-22. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat OpenShift AI (RHOAI).
Critical [CVE-2026-33937] Remote Code Execution via crafted Abstract Syntax Tree object in compile()
Remote Code Execution via crafted Abstract Syntax Tree object in compile(). Red Hat rates this important (CVSS 9.8). Weakness: CWE-94. Affected package(s): cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, devspaces/code-rhel9:1776744110. Resolved in Red Hat advisory RHSA-2026:34342 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Logging Subsystem for Red Hat OpenShift; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; and 1 more.
Critical [CVE-2026-27876] Remote arbitrary code execution via chained SQL Expressions and Enterprise plugin attack
Remote arbitrary code execution via chained SQL Expressions and Enterprise plugin attack. Red Hat rates this critical (CVSS 9.1). Weakness: CWE-89. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-33758] reflected XSS in OpenBao OIDC authentication error message
reflected XSS in OpenBao OIDC authentication error message. Red Hat rates this important (CVSS 9.6). Weakness: CWE-79. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-33757] lack of user confirmation for OpenBao OIDC direct callback mode
lack of user confirmation for OpenBao OIDC direct callback mode. Red Hat rates this important (CVSS 9.6). Weakness: CWE-384. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected product named by the advisory: Red Hat Enterprise Linux.