Red Hat Linux Security Advisories & CVEs
411 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 Red Hat 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 Red Hat advisories
Critical [CVE-2026-9914] Insufficient validation of untrusted input in ANGLE
Insufficient validation of untrusted input in ANGLE. Red Hat rates this important (CVSS 9). Weakness: CWE-501. 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-2026-9947] Use after free in XML
Use after free in XML. 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-2026-9966] Integer overflow in XML
Integer overflow in XML. 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-2026-9936] Use after free in GFX
Use after free in GFX. 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-2026-9883] Use after free in Base
Use after free in Base. Red Hat rates this critical (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-2026-9897] Use after free in DOM
Use after free in DOM. 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-2026-9886] Use after free in Base
Use after free in Base. Red Hat rates this critical (CVSS 9.3). 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.
Critical [CVE-2026-9989] Inappropriate implementation in Media
Inappropriate implementation in Media. Red Hat rates this important (CVSS 9.3). 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.
Critical [CVE-2026-10014] Use after free in WebMIDI
Use after free in WebMIDI. 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-2026-9967] Out of bounds write in GPU
Out of bounds write in GPU. Red Hat rates this important (CVSS 9.3). 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-2026-9873] Use after free in Network
Use after free in Network. Red Hat rates this critical (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-2026-9937] Use after free in UI
Use after free in UI. 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-2026-9972] Uninitialized Use in Gamepad
Uninitialized Use in Gamepad. 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-2026-10005] Use after free in WebAppInstalls
Use after free in WebAppInstalls. 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-2026-9884] Use after free in Browser
Use after free in Browser. Red Hat rates this critical (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-2026-9997] Use after free in Input
Use after free in Input. 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-2026-10009] Integer overflow in Skia
Integer overflow in Skia. 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-2026-4480] 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.