Red Hat Linux Security Advisories & CVEs
413 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
Critical [CVE-2026-33945] Privilege escalation and denial of service via path traversal in systemd credential configuration
Privilege escalation and denial of service via path traversal in systemd credential configuration. Red Hat rates this critical (CVSS 9.6). Weakness: CWE-22. 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.
Critical [CVE-2026-33897] Arbitrary file read/write as root via pongo2 template chroot bypass
Arbitrary file read/write as root via pongo2 template chroot bypass. Red Hat rates this important (CVSS 9.1). Weakness: CWE-243. 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-2025-70888] Remote privilege escalation
Remote privilege escalation. Red Hat rates this critical (CVSS 10). Weakness: CWE-266. 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-2026-33211] Information disclosure via path traversal in git resolver
Information disclosure via path traversal in git resolver. Red Hat rates this important (CVSS 9.6). Weakness: CWE-22. Affected package(s): openshift-builds/openshift-builds-rhel9-operator:1776860241, serve-tkn-cli, openshift-pipelines/pipelines-resolvers-rhel9:1774556280, openshift-pipelines/pipelines-resolvers-rhel9:1774596617, openshift-builds/openshift-builds-rhel9-operator:1776859898, openshift-pipelines/pipelines-operator-bundle:1776925111. Resolved in Red Hat advisory RHSA-2026:21932 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Builds 1.6.5; Red Hat OpenShift Builds 1.7.4; Red Hat OpenShift Pipelines 1.21; Red Hat Trusted Artifact Signer 1.3; and 4 more.
Critical [CVE-2026-4599] Private key recovery via incomplete comparison checks biasing DSA nonces
Private key recovery via incomplete comparison checks biasing DSA nonces. Red Hat rates this important (CVSS 9.1). Weakness: CWE-338. Affected package(s): migration-toolkit-virtualization/mtv-console-plugin-rhel9:1779139872, quay/quay-rhel8:1775169155, quay/quay-rhel8:1775253092, quay/quay-rhel9:1779204086, migration-toolkit-virtualization/mtv-console-plugin-rhel9:1778927462, quay/quay-rhel8:1775169219. Resolved in Red Hat advisory RHSA-2026:6926 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Quay 3.10; Red Hat Quay 3.12; Red Hat Quay 3.15; Red Hat Quay 3.16; and 1 more.
Critical [CVE-2026-4678] Use after free in WebGPU
Use after free in WebGPU. 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-2026-4673] Heap buffer overflow in WebAudio
Heap buffer overflow in WebAudio. Red Hat rates this important (CVSS 9.6). 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-2026-4679] Integer overflow in Fonts
Integer overflow in Fonts. Red Hat rates this important (CVSS 9.6). 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-2026-33228] Prototype pollution vulnerability allows arbitrary code execution via crafted JSON.
Prototype pollution vulnerability allows arbitrary code execution via crafted JSON.. Red Hat rates this critical (CVSS 9.8). Weakness: CWE-915. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, rhdh/rhdh-hub-rhel9:1776784286. Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; Red Hat 3scale API Management Platform 2; Red Hat Build of Keycloak; and 2 more.
Critical [CVE-2026-33210] Denial of Service or Information Disclosure via format string injection
Denial of Service or Information Disclosure via format string injection. Red Hat rates this important (CVSS 9.1). Weakness: CWE-134. Affected package(s): ruby4.0, ruby:4.0. Resolved in Red Hat advisory RHSA-2026:20606 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Hardened Images.
Critical [CVE-2026-33186] Authorization bypass due to improper HTTP/2 path validation
Authorization bypass due to improper HTTP/2 path validation. Red Hat rates this important (CVSS 9.1). Weakness: CWE-551. Affected package(s): rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9:1780078429, odf4/odf-csi-addons-sidecar-rhel9:1781550957, rhtas/trillian-logserver-rhel9:1776243434, openshift4/ose-cluster-olm-rhel9-operator:1779787336, rhdh/rhdh-rhel9-operator:1774544220, openshift4/ose-csi-driver-nfs-rhel9:1778242571. Resolved in Red Hat advisory RHSA-2026:27893 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Container Platform 4.16; Red Hat OpenShift Container Platform 4.17; Red Hat OpenShift Container Platform 4.18; Red Hat Satellite 6.16 for RHEL 8; and 129 more.
Critical [CVE-2026-23537] Unauthenticated Arbitrary File Write
Unauthenticated Arbitrary File Write. Red Hat rates this critical (CVSS 9.1). Weakness: CWE-862. 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-2026-30836] Unauthenticated certificate issuance via SCEP Update Request
Unauthenticated certificate issuance via SCEP Update Request. Red Hat rates this critical (CVSS 10). Weakness: CWE-306. 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-2026-4442] Heap buffer overflow in CSS
Heap buffer overflow in CSS. Red Hat rates this important (CVSS 9.6). 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.
Critical [CVE-2026-4439] Out of bounds memory access in WebGL
Out of bounds memory access in WebGL. Red Hat rates this critical (CVSS 9.6). 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-2026-4452] Integer overflow in ANGLE
Integer overflow in ANGLE. Red Hat rates this important (CVSS 9.6). 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-2026-4440] Out of bounds read and write in WebGL
Out of bounds read and write in WebGL. Red Hat rates this critical (CVSS 9.6). 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.
Critical [CVE-2026-4458] Use after free in Extensions
Use after free in Extensions. 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-2026-4449] Use after free in Blink
Use after free in Blink. Red Hat rates this important (CVSS 9.6). 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.
Critical [CVE-2026-4444] Stack buffer overflow in WebRTC
Stack buffer overflow in WebRTC. Red Hat rates this important (CVSS 9.6). Weakness: CWE-120. 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.