Red Hat Linux Security Advisories & CVEs
4892 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
High [CVE-2026-33814] Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame
Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. Affected package(s): golang1, cluster-observability-operator/distributed-tracing-console-plugin-pf5-rhel9:1782839981, openshift-service-mesh/istio-cni-rhel9:1782222217, cluster-observability-operator/distributed-tracing-console-plugin-pf4-rhel9:1782840519, openshift-service-mesh/istio-pilot-rhel9:1782223138, openshift-service-mesh/istio-pilot-rhel9:1782222366. Resolved in Red Hat advisory RHSA-2026:23262 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Openshift Data Foundation 4.22; Red Hat OpenShift Service Mesh 3.1; Red Hat OpenShift Service Mesh 3.2; and 41 more.
High [CVE-2026-8094] Other issue in the WebRTC component
Other issue in the WebRTC component. Red Hat rates this important (CVSS 7.5). Affected package(s): firefox. Resolved in Red Hat advisory RHSA-2026:24509 — 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 7 more.
High [CVE-2026-8093] Memory safety bugs fixed in Firefox 150.0.2
Memory safety bugs fixed in Firefox 150.0.2. Red Hat rates this important (CVSS 7.5). 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.
High [CVE-2026-8092] Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2
Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2 and Firefox 150.0.2. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Affected package(s): firefox. Resolved in Red Hat advisory RHSA-2026:24509 — 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 7 more.
High [CVE-2026-8091] Incorrect boundary conditions in the Audio/Video: Playback component
Incorrect boundary conditions in the Audio/Video: Playback component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-805. 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 10.0 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-2026-8090] Use-after-free in the DOM: Networking component
Use-after-free in the DOM: Networking component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. Affected package(s): firefox. Resolved in Red Hat advisory RHSA-2026:24509 — 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 7 more.
High [CVE-2026-4430] Denial of Service via crafted OOXML documents
Denial of Service via crafted OOXML documents. Red Hat rates this moderate (CVSS 7.6). Weakness: CWE-787. Affected package(s): libreoffice. Resolved in Red Hat advisory RHSA-2026:28922 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
High [CVE-2026-41139] Arbitrary code execution via expression parser
Arbitrary code execution via expression parser. Red Hat rates this important (CVSS 8.8). Weakness: CWE-94. 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-2026-42216] Information disclosure and denial of service via malformed EXR files
Information disclosure and denial of service via malformed EXR files. Red Hat rates this important (CVSS 8.1). Weakness: CWE-130. 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 AppStream EUS (v. 10.0); Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream E4S (v.9.2); Red Hat Enterprise Linux AppStream E4S (v.9.4); and 11 more.
High [CVE-2026-41142] Arbitrary code execution via integer overflow in image resizing
Arbitrary code execution via integer overflow in image resizing. Red Hat rates this important (CVSS 8.8). Weakness: CWE-190. 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 AppStream EUS (v. 10.0); Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream E4S (v.9.2); Red Hat Enterprise Linux AppStream E4S (v.9.4); and 10 more.
High [CVE-2026-40981] Information disclosure of secrets from unintended GCP projects
Information disclosure of secrets from unintended GCP projects. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1220. 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-2026-41675] Arbitrary XML node injection via crafted processing instructions
Arbitrary XML node injection via crafted processing instructions. Red Hat rates this important (CVSS 7.5). Weakness: CWE-91. Affected package(s): rhdh/rhdh-hub-rhel9:1781187342. Resolved in Red Hat advisory RHSA-2026:26234 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.9; Red Hat Build of Podman Desktop; Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI); and 2 more.
High [CVE-2026-40982] Directory traversal allows arbitrary file access
Directory traversal allows arbitrary file access. Red Hat rates this important (CVSS 8.2). Weakness: CWE-22. 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-2026-41674] Arbitrary XML markup injection
Arbitrary XML markup injection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-91. Affected package(s): rhdh/rhdh-hub-rhel9:1779841586, rhdh/rhdh-hub-rhel9:1781187342, openshift4/ose-agent-installer-ui-rhel9:1779864090, openshift4/ose-agent-installer-ui-rhel9:1779252093. Resolved in Red Hat advisory RHSA-2026:21703 — 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 OpenShift Container Platform 4.20; Red Hat OpenShift Container Platform 4.21; and 2 more.
High [CVE-2026-41673] @xmldom/xmldom: xmldom: xmldom: Denial of Service via deeply nested XML documents
@xmldom/xmldom: xmldom: xmldom: Denial of Service via deeply nested XML documents. Red Hat rates this important (CVSS 7.5). Weakness: CWE-776. Affected package(s): rhdh/rhdh-hub-rhel9:1781187342. Resolved in Red Hat advisory RHSA-2026:26234 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.9; Red Hat Build of Podman Desktop; Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI); and 1 more.
High [CVE-2026-41672] @xmldom/xmldom: xmldom: Arbitrary XML Node Injection
@xmldom/xmldom: xmldom: Arbitrary XML Node Injection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-91. Affected package(s): rhdh/rhdh-hub-rhel9:1781187342. Resolved in Red Hat advisory RHSA-2026:26234 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.9; Red Hat Build of Podman Desktop; Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI); and 2 more.
High [CVE-2026-13601] Overly Permissive Content Security Policy in Yelp Allows Host File Disclosure from Flatpak Applications
Overly Permissive Content Security Policy in Yelp Allows Host File Disclosure from Flatpak Applications. Red Hat rates this important (CVSS 7.1). Weakness: CWE-693. 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 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions; and 6 more.
High [CVE-2026-43284] "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel
"Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel. Red Hat rates this important (CVSS 7.8). Weakness: CWE-123. Affected package(s): rhcos, kernel, kernel-rt, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:26542 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: NVIDIA for RHEL 10; Red Hat OpenShift Container Platform 4.12; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; and 63 more.
High [CVE-2026-33079] Regular Expression Denial of Service (ReDoS) via crafted Markdown input
Regular Expression Denial of Service (ReDoS) via crafted Markdown input. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. 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 OpenShift AI (RHOAI); Red Hat Migration Toolkit for Applications 8.2; Red Hat OpenShift AI 3.4.
High [CVE-2026-5081] Apache::Session::Generate::ModUniqueId: Perl: mod_unique_id: Apache HTTP Server: Apache::Session::Generate::ModUniqueId: Session ID predictability allows unauthorized access
Apache::Session::Generate::ModUniqueId: Perl: mod_unique_id: Apache HTTP Server: Apache::Session::Generate::ModUniqueId: Session ID predictability allows unauthorized access. Red Hat rates this important (CVSS 8.2). Weakness: CWE-341. 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.