Red Hat Linux Security Advisories & Vulnerabilities
16036 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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Pick your distribution release to see every advisory issued for it and its severity mix. Fixes ship as errata, so keep the system patched. This is the release's advisory history, not a per-package scan.
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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-2026-45829] Arbitrary code execution via pre-authentication code injection
Arbitrary code execution via pre-authentication code injection. Red Hat rates this critical (CVSS 10). Weakness: CWE-502. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux; python.
High [CVE-2026-25244] Remote Code Execution via command injection in Git branch name processing
Remote Code Execution via command injection in Git branch name processing. Red Hat rates this important (CVSS 8). 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 Hardened Images.
Medium [CVE-2026-46331] extend the writable skb range per key
extend the writable skb range per key. Red Hat rates this important (CVSS 6.7). Weakness: CWE-787. Affected package(s): kernel, rhcos, kernel-rt, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:27354 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: NVIDIA for RHEL 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 18 more.
Critical [CVE-2021-47952] Arbitrary Code Execution via Malicious JSON Deserialization
Arbitrary Code Execution via Malicious JSON Deserialization. Red Hat rates this critical (CVSS 9.8). Weakness: CWE-502. 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: python jsonpickle.
High [CVE-2026-44774] Privilege escalation via Kubernetes Gateway API provider configuration bypass
Privilege escalation via Kubernetes Gateway API provider configuration bypass. Red Hat rates this important (CVSS 8.3). Weakness: CWE-15. 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 Dev Spaces 3.29.
High [CVE-2026-46483] command injection when decompressing .tgz archives
command injection when decompressing.tgz archives. Red Hat rates this moderate (CVSS 7). Weakness: CWE-78. Affected package(s): vim. Resolved in Red Hat advisory RHSA-2026:28049 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.
High [CVE-2026-45736] Uninitialized memory disclosure via `websocket.close()` with `TypedArray`
Uninitialized memory disclosure via `websocket.close()` with `TypedArray`. Red Hat rates this important (CVSS 7.5). Weakness: CWE-824. Affected package(s): dotnet8, ansible-automation-platform, rhdh/rhdh-hub-rhel9:1782761244, dotnet10, discovery/discovery-ui-rhel9:1782166952, dotnet9. Resolved in Red Hat advisory RHSA-2026:34374 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6; Red Hat Developer Hub 1.10; Red Hat Developer Hub 1.9; Red Hat Discovery 2; and 32 more.
High [CVE-2026-46333] Read root-owned files as an unprivileged user
Read root-owned files as an unprivileged user. Red Hat rates this important (CVSS 7.8). Weakness: CWE-269. Affected package(s): kernel, rhcos, kernel-rt, openshift, kpatch-patch, cri-o. Resolved in Red Hat advisory RHSA-2026:23470 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: NVIDIA for RHEL 10; Red Hat OpenShift Container Platform 4.20; Red Hat Enterprise Linux AppStream EUS (v. 10.0); Red Hat Enterprise Linux AppStream (v. 10); and 55 more.
High [CVE-2025-54518] Privilege escalation via improper CPU cache isolation
Privilege escalation via improper CPU cache isolation. Red Hat rates this important (CVSS 7). Weakness: CWE-1220. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; and 13 more.
High [CVE-2026-34253] vorbis-tools ogg123: Arbitrary code execution via buffer underflow in remote control functionality
vorbis-tools ogg123: Arbitrary code execution via buffer underflow in remote control functionality. Red Hat rates this important (CVSS 8.2). Weakness: CWE-124. 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-2026-42327] Arbitrary code execution via specially crafted certificate
Arbitrary code execution via specially crafted certificate. Red Hat rates this important (CVSS 9.1). Weakness: CWE-475. 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-2026-8554] Type Confusion in ANGLE
Type Confusion in ANGLE. Red Hat rates this important (CVSS 9). 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-2026-8548] Out of bounds write in Media
Out of bounds write in Media. Red Hat rates this important (CVSS 9). 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-2026-8547] Insufficient policy enforcement in Passwords
Insufficient policy enforcement in Passwords. Red Hat rates this important (CVSS 9). Weakness: CWE-266. 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-2026-8534] Integer overflow in GPU
Integer overflow in GPU. 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-2026-8533] Use after free in Accessibility
Use after free in Accessibility. 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-2026-8531] Heap buffer overflow in WebML
Heap buffer overflow in WebML. 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-2026-8525] Heap buffer overflow in ANGLE
Heap buffer overflow in ANGLE. 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-2026-8526] Out of bounds write in WebRTC
Out of bounds write in WebRTC. 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-2026-8524] Out of bounds write in WebAudio
Out of bounds write in WebAudio. 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.
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