Red Hat Linux Security Advisories & CVEs
5207 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 Linux 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 Linux advisories
Critical [CVE-2026-6308] Out of bounds read in Media
Out of bounds read in Media. 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-2026-6306] Heap buffer overflow in PDFium
Heap buffer overflow in PDFium. 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-2026-6299] Use after free in Prerender
Use after free in Prerender. 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-2026-6311] Uninitialized Use in Accessibility
Uninitialized Use in Accessibility. Red Hat rates this important (CVSS 9). Weakness: CWE-824. 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-2026-6296] Heap buffer overflow in ANGLE
Heap buffer overflow in ANGLE. Red Hat rates this critical (CVSS 9.6). Weakness: CWE-131. 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-2026-6301] Type Confusion in Turbofan
Type Confusion in Turbofan. 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-2026-6316] Use after free in Forms
Use after free in Forms. 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-2026-6310] Use after free in Dawn
Use after free in Dawn. Red Hat rates this important (CVSS 9). 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-2026-6359] Use after free in Video
Use after free in Video. Red Hat rates this important (CVSS 9). 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-2026-6362] Use after free in Codecs
Use after free in Codecs. 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-2026-6304] Use after free in Graphite
Use after free in Graphite. Red Hat rates this important (CVSS 9). 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-2026-6315] Use after free in Permissions
Use after free in Permissions. 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.
High [CVE-2026-40192] Denial of Service via decompression bomb in FITS image processing
Denial of Service via decompression bomb in FITS image processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-409. Affected package(s): ansible-automation-platform, rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9:1778263054, rhelai3/bootc-rocm-rhel9:1778666124, rhaiis/vllm-rocm-rhel9:1778244531, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1778677734, rhaiis/vllm-cuda-rhel9:1778274666. Resolved in Red Hat advisory RHSA-2026:23361 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Satellite 6.16 for RHEL 8; and 18 more.
High [CVE-2026-40261] command injection via malicious Perforce source reference/url
command injection via malicious Perforce source reference/url. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-40176] command injection via malicious Perforce repository definition
command injection via malicious Perforce repository definition. Red Hat rates this important (CVSS 7.8). Weakness: CWE-78. Affected package(s): composer-main. Resolved in Red Hat advisory RHSA-2026:8165 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2025-41118] sensitive COS SecretKey exposed in plaintext via configuration API due to missing type protection
sensitive COS SecretKey exposed in plaintext via configuration API due to missing type protection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779925273. Resolved in Red Hat advisory RHSA-2026:24503 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat Ceph Storage 6.
High [CVE-2026-6384] Arbitrary code execution or denial of service via buffer overflow in GIF image processing
Arbitrary code execution or denial of service via buffer overflow in GIF image processing. Red Hat rates this important (CVSS 7.3). Weakness: CWE-120. 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 6; Red Hat Enterprise Linux 8.
High [CVE-2026-33805] @fastify/reply-from: @fastify/http-proxy: Fastify Reply From and HTTP Proxy: Security bypass via Connection header manipulation
@fastify/reply-from: @fastify/http-proxy: Fastify Reply From and HTTP Proxy: Security bypass via Connection header manipulation. Red Hat rates this important (CVSS 7.4). Weakness: CWE-444. Affected package(s): devspaces/dashboard-rhel9:1776795511. Resolved in Red Hat advisory RHSA-2026:10175 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Red Hat OpenShift AI (RHOAI).
High [CVE-2026-3505] unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion
unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): eap8-bouncycastle, bcpg-jdk18on, bcpg-fips, bcpg-jdk15on. Resolved in Red Hat advisory RHSA-2026:18054 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; OpenShift Developer Tools and Services; Red Hat AMQ Clients; and 6 more.
High [CVE-2026-5588] PKIX draft CompositeVerifier accepts empty signature sequence as valid
PKIX draft CompositeVerifier accepts empty signature sequence as valid. Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): eap8-bouncycastle, devspaces/openvsx-rhel9:1779528224, eap8-guava-failureaccess, eap8-activemq-artemis, eap8-netty-transport-native-epoll, eap8-reactivex-rxjava. Resolved in Red Hat advisory RHSA-2026:14276 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat OpenShift Dev Spaces 3.28; OpenShift Developer Tools and Services; and 9 more.