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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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, 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-2026-7902] Out of bounds memory access in V8
Out of bounds memory access in V8. 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-2026-7908] Use after free in Fullscreen
Use after free in Fullscreen. 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-2026-7914] Type Confusion in Accessibility
Type Confusion in Accessibility. 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-2026-7923] Out of bounds write in Skia
Out of bounds write in Skia. 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-2026-7905] Insufficient validation of untrusted input in Media
Insufficient validation of untrusted input in Media. Red Hat rates this important (CVSS 9). 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.
Critical [CVE-2026-7906] Use after free in SVG
Use after free in SVG. 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-2026-7898] Use after free in Chromoting
Use after free in Chromoting. Red Hat rates this critical (CVSS 9.8). 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.
Critical [CVE-2026-7922] Use after free in ServiceWorker
Use after free in ServiceWorker. 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-2026-7897] Use after free in Mobile
Use after free in Mobile. Red Hat rates this important (CVSS 9.6). 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-2026-28780] Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow
Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow. Red Hat rates this important (CVSS 8.1). Weakness: CWE-787. Affected package(s): httpd, httpd:2.4, jbcs-httpd24-httpd. Resolved in Red Hat advisory RHSA-2026:27200 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: JBoss Core Services for RHEL 8; JBoss Core Services on RHEL 7; 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 9 more.
High [CVE-2026-40110] Cross-Origin Resource Sharing (CORS) bypass via improper Origin header validation
Cross-Origin Resource Sharing (CORS) bypass via improper Origin header validation. Red Hat rates this important (CVSS 7.1). Weakness: CWE-625. 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 OpenShift AI (RHOAI); Red Hat Migration Toolkit for Applications 8.2.
High [CVE-2026-35579] Authentication bypass allows unauthorized access to TSIG-protected functionalities
Authentication bypass allows unauthorized access to TSIG-protected functionalities. Red Hat rates this important (CVSS 7.5). Weakness: CWE-303. Affected package(s): rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:25127 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14.
High [CVE-2026-35397] Unauthorized File Access via Path Traversal Vulnerability
Unauthorized File Access via Path Traversal Vulnerability. Red Hat rates this important (CVSS 7.1). Weakness: CWE-22. 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 OpenShift AI (RHOAI); Red Hat Migration Toolkit for Applications 8.2; Red Hat OpenShift AI 3.4.
High [CVE-2026-32936] Denial of Service via oversized DNS-over-HTTPS GET requests
Denial of Service via oversized DNS-over-HTTPS GET requests. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-1284. Affected package(s): rhacm2/lighthouse-agent-rhel9:1780204232, rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:25127 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-25243] RESTORE invalid memory access may allow remote code execution
RESTORE invalid memory access may allow remote code execution. Red Hat rates this important (CVSS 8.8). Weakness: CWE-122. Affected package(s): redis, valkey, redis:6, redis:7. Resolved in Red Hat advisory RHSA-2026:26540 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: 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; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 7 more.
High [CVE-2026-23631] Remote code execution via use-after-free in Lua scripting
Remote code execution via use-after-free in Lua scripting. Red Hat rates this important (CVSS 8.8). Weakness: CWE-416. Affected package(s): redis:7, valkey. Resolved in Red Hat advisory RHSA-2026:26540 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images.
High [CVE-2026-23479] use-after-free in unblock client flow may allow remote code execution
use-after-free in unblock client flow may allow remote code execution. Red Hat rates this important (CVSS 7.5). Weakness: CWE-416. Affected package(s): redis:7, valkey. Resolved in Red Hat advisory RHSA-2026:26540 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images.
High [CVE-2026-29168] unrestricted OCSP response leads to resource exhaustion
unrestricted OCSP response leads to resource exhaustion. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-770. Affected package(s): mod_md, jbcs-httpd24-httpd, jbcs-httpd24-mod_md. Resolved in Red Hat advisory RHSA-2026:27200 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7.
High [CVE-2026-6918] Denial of Service in JITServer via crafted TCP message
Denial of Service in JITServer via crafted TCP message. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1286. Affected package(s): java. Resolved in Red Hat advisory RHSA-2026:22328 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 10.2 Extended Update Support.
High [CVE-2026-6322] URI authority bypass due to improper delimiter handling
URI authority bypass due to improper delimiter handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-140. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, cluster-observability-operator/distributed-tracing-console-plugin-pf5-rhel9:1782839981, cluster-observability-operator/distributed-tracing-console-plugin-pf4-rhel9:1782840519, openshift4/ose-monitoring-plugin-rhel9:1782313844, quay/quay-rhel8:1781878070, rhacm2/console-rhel9:1780600823. Resolved in Red Hat advisory RHSA-2026:26234 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Enterprise Linux Extensions Channel (v. 10); Red Hat Developer Hub 1.10; Red Hat Developer Hub 1.9; and 39 more.
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