Red Hat Linux Security Advisories & CVEs
5260 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
High [CVE-2026-10949] Heap buffer overflow in Video
Heap buffer overflow in Video. Red Hat rates this important (CVSS 8.2). 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.
High [CVE-2026-10980] Insufficient validation of untrusted input in DevTools
Insufficient validation of untrusted input in DevTools. Red Hat rates this important (CVSS 8.7). 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.
High [CVE-2026-10934] Use after free in Autofill
Use after free in Autofill. Red Hat rates this important (CVSS 8.8). 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-2026-10883] Out of bounds write in ANGLE
Out of bounds write in ANGLE. 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.
High [CVE-2026-10960] Uninitialized Use in Codecs
Uninitialized Use in Codecs. Red Hat rates this important (CVSS 7.9). 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.
High [CVE-2026-10891] Use after free in GFX
Use after free in GFX. 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-2026-10922] Insufficient validation of untrusted input in DevTools
Insufficient validation of untrusted input in DevTools. Red Hat rates this important (CVSS 7.4). Weakness: CWE-1173. 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-2026-10912] Insufficient validation of untrusted input in Extensions
Insufficient validation of untrusted input in Extensions. Red Hat rates this important (CVSS 8.7). Weakness: CWE-79. 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-2026-10923] Use after free in WebAppInstalls
Use after free in WebAppInstalls. Red Hat rates this important (CVSS 7.3). 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-2026-10920] Insufficient validation of untrusted input in WebShare
Insufficient validation of untrusted input in WebShare. Red Hat rates this important (CVSS 8.2). Weakness: CWE-79. 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-2026-10925] Out of bounds write in Skia
Out of bounds write in Skia. Red Hat rates this important (CVSS 8.2). 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-2026-10906] Use after free in WebAuthentication
Use after free in WebAuthentication. 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-2026-10888] Use after free in Cast Streaming
Use after free in Cast Streaming. 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-2026-10982] Use after free in WebXR
Use after free in WebXR. 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-2026-10927] Out of bounds read in Dawn
Out of bounds read in Dawn. Red Hat rates this important (CVSS 8.7). 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-2026-10962] Type Confusion in Media
Type Confusion in Media. 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.
High [CVE-2026-50256] stack buffer overflow in font alias resolution due to libXfont2 name length mismatch
stack buffer overflow in font alias resolution due to libXfont2 name length mismatch. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8 more.
High [CVE-2026-50257] use-after-free in miSyncDestroyFence()
use-after-free in miSyncDestroyFence(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-416. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8 more.
High [CVE-2026-50258] stack buffer overflow in XKB key types due to unchecked shift levels
stack buffer overflow in XKB key types due to unchecked shift levels. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8 more.
High [CVE-2026-50259] stack buffer overflow in XKB SetMap request via mapWidths indexing
stack buffer overflow in XKB SetMap request via mapWidths indexing. Red Hat rates this important (CVSS 7.8). Weakness: CWE-121. Affected package(s): xorg-x11-server, xorg-x11-server-Xwayland, tigervnc. Resolved in Red Hat advisory RHSA-2026:26562 — 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 8 more.