Red Hat Linux Security Advisories & CVEs
3200 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.
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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 Red Hat advisories
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.
Medium [CVE-2026-11666] Insufficient validation of untrusted input in Input
Insufficient validation of untrusted input in Input. Red Hat rates this important (CVSS 5.4). 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.
Medium [CVE-2026-11665] Out of bounds read in Dawn
Out of bounds read in Dawn. 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-2026-11669] Integer overflow in Media
Integer overflow in Media. Red Hat rates this important (CVSS 5.7). 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.
Medium [CVE-2026-11686] Insufficient validation of untrusted input in Dawn
Insufficient validation of untrusted input in Dawn. 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-2026-11675] Insufficient validation of untrusted input in Skia
Insufficient validation of untrusted input in Skia. Red Hat rates this important (CVSS 6.8). 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-2026-11691] Insufficient validation of untrusted input in New Tab Page
Insufficient validation of untrusted input in New Tab Page. 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-2026-11684] Insufficient policy enforcement in Network
Insufficient policy enforcement in Network. Red Hat rates this important (CVSS 5.7). Weakness: CWE-940. 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-2026-11658] Insufficient validation of untrusted input in Extensions
Insufficient validation of untrusted input in Extensions. Red Hat rates this important (CVSS 6.8). 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.
Medium [CVE-2026-11668] Uninitialized Use in Codecs
Uninitialized Use in Codecs. 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-2026-53472] credentialUrl Validator Accepts javascript: URLs
credentialUrl Validator Accepts javascript: URLs. Red Hat rates this important (CVSS 6.3). 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.
Medium [CVE-2026-45287] Denial of Service due to file descriptor leak
Denial of Service due to file descriptor leak. Red Hat rates this low (CVSS 4). Weakness: CWE-772. Affected package(s): buildah-main, skopeo-main, kubernetes1, containers-common-main, cosign-main, caddy-main. Resolved in Red Hat advisory RHSA-2026:23263 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-50219] Use-after-free vulnerability due to improper handler call depth tracking
Use-after-free vulnerability due to improper handler call depth tracking. Red Hat rates this moderate (CVSS 4.9). Weakness: CWE-911. Affected package(s): expat-main. Resolved in Red Hat advisory RHSA-2026:30647 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-42507] Golang net/textproto: Misleading error messages via input injection
Golang net/textproto: Misleading error messages via input injection. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-117. Affected package(s): rhosdt/tempo-gateway-rhel9:1782501200, rhosdt/tempo-rhel9-operator:1782501195, golang1, golang, rhosdt/tempo-rhel9:1782501196, rhosdt/tempo-jaeger-query-rhel9:1782498923. Resolved in Red Hat advisory RHSA-2026:23262 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Medium [CVE-2026-33245] Cross-Site Scripting vulnerability via untrusted React Server Component redirects
Cross-Site Scripting vulnerability via untrusted React Server Component redirects. Red Hat rates this moderate (CVSS 4.2). Weakness: CWE-79. Affected package(s): rhoai/odh-mod-arch-automl-rhel9:1782722421, rhoai/odh-mod-arch-mlflow-rhel9:1782132932, rhoai/odh-mod-arch-autorag-rhel9:1782722485, rhoai/odh-mod-arch-maas-rhel9:1782722695, rhoai/odh-mod-arch-model-registry-rhel9:1782722726, rhoai/odh-mod-arch-eval-hub-rhel9:1782722438. Resolved in Red Hat advisory RHSA-2026:34456 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-28907] Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Processing maliciously crafted web content may prevent Content Security Policy from being enforced. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-20. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:25918 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-28958] An app may be able to access sensitive user data
An app may be able to access sensitive user data. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-200. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:25918 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-43660] Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Processing maliciously crafted web content may prevent Content Security Policy from being enforced. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-693. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:25918 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-10984] Inappropriate implementation in Accessibility
Inappropriate implementation in Accessibility. Red Hat rates this important (CVSS 4.3). Weakness: CWE-1021. 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-2026-10976] Uninitialized Use in Dawn
Uninitialized Use in Dawn. 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.