Red Hat Linux Security Advisories & Vulnerabilities
16038 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-2026-6304] 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 20 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; Red Hat AMQ Clients; Red Hat build of Apache Camel 4 for Quarkus 3; and 19 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; Red Hat build of Apache Camel 4 for Quarkus 3; and 22 more.
High [CVE-2026-5598] private key leakage via non-constant time comparisons
private key leakage via non-constant time comparisons. Red Hat rates this important (CVSS 7.5). Weakness: CWE-385. Affected package(s): eap8-bouncycastle, bcprov-jdk12, eap7-bouncycastle. 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 7.4 ELS on RHEL 7; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8; Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; and 3 more.
High [CVE-2025-14813] GOSTCTR implementation unable to process more than 255 blocks correctly
GOSTCTR implementation unable to process more than 255 blocks correctly. Red Hat rates this important (CVSS 7.5). Weakness: CWE-327. Affected package(s): bcprov-jdk15to18, eap8-bouncycastle, devspaces/openvsx-rhel9:1779528224, bcprov-ext-jdk15on, bcprov-ext-jdk18on, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:14276 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Apache Camel 4.18.1 for Spring Boot 3.5.14; 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 AI 2.25; and 28 more.
High [CVE-2026-33806] Schema validation bypass via malformed Content-Type header
Schema validation bypass via malformed Content-Type header. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1289. 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-2026-6358] Use after free in XR
Use after free in XR. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-6300] Use after free in CSS
Use after free in CSS. Red Hat rates this important (CVSS 8.8). 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-2026-6314] Out of bounds write in GPU
Out of bounds write in GPU. Red Hat rates this important (CVSS 8). 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.
High [CVE-2026-6302] Use after free in Video
Use after free in Video. Red Hat rates this important (CVSS 8.8). 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-2026-6297] Use after free in Proxy
Use after free in Proxy. Red Hat rates this important (CVSS 8.3). 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-2026-6298] Heap buffer overflow in Skia
Heap buffer overflow in Skia. Red Hat rates this important (CVSS 7.4). 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.
High [CVE-2026-6307] Type Confusion in Turbofan
Type Confusion in Turbofan. Red Hat rates this important (CVSS 8.8). 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.
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