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
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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
High [CVE-2026-11687] Use after free in Dawn
Use after free in Dawn. 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-2026-11653] Insufficient validation of untrusted input in Extensions
Insufficient validation of untrusted input in Extensions. Red Hat rates this important (CVSS 8.7). 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.
High [CVE-2026-11667] Out of bounds read in WebRTC
Out of bounds read in WebRTC. Red Hat rates this important (CVSS 8.3). 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-2026-11682] Insufficient validation of untrusted input in Views
Insufficient validation of untrusted input in Views. Red Hat rates this important (CVSS 8.2). 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.
High [CVE-2026-11636] Use after free in Autofill
Use after free in Autofill. 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-2026-11630] Use after free in File Input
Use after free in File Input. 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-2026-11698] Use after free in Bluetooth
Use after free in Bluetooth. Red Hat rates this important (CVSS 8.8). Weakness: CWE-1341. 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-2026-11651] Use after free in Network
Use after free in Network. 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-2026-11677] Race in Network
Race in Network. Red Hat rates this important (CVSS 7.3). Weakness: CWE-368. 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-2026-11688] Object lifecycle issue in SVG
Object lifecycle issue in SVG. Red Hat rates this important (CVSS 8.8). 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-2026-11689] Insufficient validation of untrusted input in Passwords
Insufficient validation of untrusted input in Passwords. Red Hat rates this important (CVSS 8.7). Weakness: CWE-1100. 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-2026-11693] Inappropriate implementation in Plugins
Inappropriate implementation in Plugins. Red Hat rates this important (CVSS 8.7). 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.
High [CVE-2026-11656] Use after free in ServiceWorker
Use after free in ServiceWorker. 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-2026-11639] Use after free in Compositing
Use after free in Compositing. 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.
Medium [CVE-2026-11611] 389-ds-base: 389-ds-base: content sync plugin unbounded queue growth and race conditions
A flaw was found in 389 Directory Server. The Content Synchronization persistent search plugin allows unbounded memory growth when an authenticated client stops reading sync responses, enabling denial of service. Additional race conditions in plugin thread lifecycle can cause crashes during connection teardown or shutdown. Red Hat rates this issue as Moderate impact. Any authenticated user with search ACL access can trigger the primary denial-of-service path. These secondary paths have no configuration workaround. Red Hat severity: Moderate — CVSS 6.5 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-400. Affected Red Hat products: Red Hat Directory Server 11; Red Hat Directory Server 12; Red Hat Directory Server 13; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat lists Red Hat Enterprise Linux 6 as not affected. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: 389-ds-base.
Medium [CVE-2026-43951] Out-of-bounds Read in mod_headers and mod_mime
Out-of-bounds Read in mod_headers and mod_mime. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-125. Affected package(s): mod_http2. Resolved in Red Hat advisory RHSA-2026:34355 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
Medium [CVE-2026-11569] Quay: quay: stored xss via filedrop svg upload
A flaw was found in Quay. The filedrop endpoint accepts any mime type without validation, allowing an authenticated user with repository write access to upload a malicious SVG file containing JavaScript. The file is stored and served inline through the CDN, enabling stored cross-site scripting when a victim visits the archive URL. Red Hat severity: Moderate — CVSS 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N). Weakness: CWE-79. Affected Red Hat products: Red Hat Quay 3. Red Hat does not currently list a fixing RHSA for this CVE.
Medium [CVE-2026-11678] Integer overflow in libyuv
Integer overflow in libyuv. Red Hat rates this important (CVSS 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-2026-11628] Use after free in Ozone
Use after free in Ozone. Red Hat rates this important (CVSS 6.6). 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.
Medium [CVE-2026-11696] Uninitialized Use in Video
Uninitialized Use in Video. 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.
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