Red Hat Linux Security Advisories & Vulnerabilities
16004 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
Get an email when Red Hat publishes the next one.
See Red Hat's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
iPhone and Android apps · New on the App Store
Monitor Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
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.
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
High [CVE-2026-34356] Heap-based Buffer Overflow via malicious backend servers
Heap-based Buffer Overflow via malicious backend servers. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-120. Affected package(s): httpd. Resolved in Red Hat advisory RHSA-2026:34109 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-46309] Reject coh_none PAT index for CPU cached memory in madvise
Reject coh_none PAT index for CPU cached memory in madvise. Red Hat rates this important (CVSS 7). Weakness: CWE-524. 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 10; Red Hat Enterprise Linux 9.
High [CVE-2026-11662] Type Confusion in Bindings
Type Confusion in Bindings. 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 products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-11637] Use after free in Views
Use after free in Views. 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-2026-11699] Use after free in Bluetooth
Use after free in Bluetooth. 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-2026-11629] Use after free in Ozone
Use after free in Ozone. 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-2026-11647] Use after free in Printing
Use after free in Printing. Red Hat rates this important (CVSS 8.2). 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-2026-11646] Use after free in ViewTransitions
Use after free in ViewTransitions. Red Hat rates this important (CVSS 8.8). Weakness: CWE-772. 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-2026-11648] Use after free in FullScreen
Use after free in FullScreen. 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-2026-11644] Use after free in Views
Use after free in Views. Red Hat rates this important (CVSS 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-2026-11649] Use after free in V8
Use after free in V8. 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-2026-11695] Inappropriate implementation in Passwords
Inappropriate implementation in Passwords. Red Hat rates this important (CVSS 7.4). 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-2026-11685] Insufficient data validation in MediaCapture
Insufficient data validation in MediaCapture. Red Hat rates this important (CVSS 7.4). 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-2026-11673] Use after free in InterestGroups
Use after free in InterestGroups. 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-2026-11676] Insufficient validation of untrusted input in Dawn
Insufficient validation of untrusted input in Dawn. Red Hat rates this important (CVSS 8.2). Weakness: CWE-1286. 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-2026-11690] Out of bounds read and write in Media
Out of bounds read and write in Media. Red Hat rates this important (CVSS 8). Weakness: CWE-823. 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-2026-11664] Use after free in Payments
Use after free in Payments. 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-2026-11680] Use after free in Media
Use after free in Media. 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-2026-11632] Use after free in TabStrip
Use after free in TabStrip. 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-2026-11674] Use after free in Guest View
Use after free in Guest View. 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.
Free weekly CVE digest
Every Monday: the week's critical and high advisories for Red Hat or every vendor, new CISA KEV entries and upcoming end-of-life dates.