Red Hat Linux Security Advisories & CVEs
5233 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.
Official source
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
Medium [CVE-2026-9986] Insufficient validation of untrusted input in OptimizationGuide
Insufficient validation of untrusted input in OptimizationGuide. Red Hat rates this important (CVSS 5.7). 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.
Medium [CVE-2026-9920] Uninitialized Use in GPU
Uninitialized Use in GPU. Red Hat rates this important (CVSS 5.8). 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.
Medium [CVE-2026-9985] Insufficient validation of untrusted input in Media
Insufficient validation of untrusted input in Media. Red Hat rates this important (CVSS 4.8). 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.
Medium [CVE-2026-10008] Uninitialized Use in GPU
Uninitialized Use in GPU. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-9944] Uninitialized Use in ANGLE
Uninitialized Use in ANGLE. Red Hat rates this important (CVSS 6.8). 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.
Medium [CVE-2026-9996] Out of bounds read in WebRTC
Out of bounds read in WebRTC. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-9981] Inappropriate implementation in Skia
Inappropriate implementation in Skia. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-10011] Inappropriate implementation in Skia
Inappropriate implementation in Skia. Red Hat rates this important (CVSS 6.8). Weakness: CWE-346. 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.
Medium [CVE-2026-9929] Inappropriate implementation in WebGL
Inappropriate implementation in WebGL. Red Hat rates this important (CVSS 6.5). Weakness: CWE-346. 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.
Medium [CVE-2026-9935] Uninitialized Use in ANGLE
Uninitialized Use in ANGLE. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-9911] Integer overflow in ANGLE
Integer overflow in ANGLE. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-9912] Inappropriate implementation in GPU
Inappropriate implementation in GPU. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-10010] Inappropriate implementation in Input
Inappropriate implementation in Input. Red Hat rates this important (CVSS 5.8). Weakness: CWE-653. 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.
Medium [CVE-2026-9943] Out of bounds read in WebGL
Out of bounds read in WebGL. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-46037] validate reply type before using icmp_pointers
validate reply type before using icmp_pointers. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1285. Affected package(s): rhcos. Resolved in Red Hat advisory RHSA-2026:25044 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-4480] Remote Code Execution in printing subsystem via unescaped job description
Remote Code Execution in printing subsystem via unescaped job description. Red Hat rates this important (CVSS 9). Weakness: CWE-78. Affected package(s): samba. Resolved in Red Hat advisory RHSA-2026:28057 — 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 7 Extended Lifecycle 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 7 more.
Critical [CVE-2026-7374] KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability
KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability. Red Hat rates this important (CVSS 9.9). Weakness: CWE-59. Affected package(s): container-native-virtualization/virt-handler:1779375376, container-native-virtualization/virt-handler-rhel9:1779288737, container-native-virtualization/virt-handler-rhel9:1779174925, container-native-virtualization/virt-handler-rhel9:1779289071, container-native-virtualization/virt-handler-rhel9:1779420069, container-native-virtualization/virt-handler-rhel9:1778859977. Resolved in Red Hat advisory RHSA-2026:20866 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Container Native Virtualization 4.12; Red Hat Container Native Virtualization 4.13; Red Hat Container Native Virtualization 4.14; Red Hat Container Native Virtualization 4.15; and 6 more.
Critical [CVE-2026-4408] Remote Code Execution in SAMR
Remote Code Execution in SAMR. Red Hat rates this important (CVSS 9). Weakness: CWE-78. Affected package(s): samba, rhcos. Resolved in Red Hat advisory RHSA-2026:29863 — 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 7 Extended Lifecycle 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 10 more.
High [CVE-2026-44209] Remote Code Execution via Server-Side Template Injection
Remote Code Execution via Server-Side Template Injection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-917. 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: OpenShift Lightspeed; Red Hat Ansible Automation Platform 2.
High [CVE-2026-48863] Stack-based buffer overflow in libsolv EdDSA PGP signature verification allows denial of service
Stack-based buffer overflow in libsolv EdDSA PGP signature verification allows denial of service. Red Hat rates this important (CVSS 7.5). Weakness: CWE-121. 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.