Red Hat Linux Security Advisories & Vulnerabilities
16036 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-2026-8093] 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.
Medium [CVE-2026-39823] Go html/template: Cross-Site Scripting via improper URL escaping in meta tag content
Go html/template: Cross-Site Scripting via improper URL escaping in meta tag content. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-79. Affected package(s): golang1. 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.
Medium [CVE-2026-39826] Cross-site scripting due to incorrect script tag escaping
Cross-site scripting due to incorrect script tag escaping. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-1289. Affected package(s): golang1. 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.
Medium [CVE-2026-39825] ReverseProxy forwards hidden query parameters, potentially bypassing security controls
ReverseProxy forwards hidden query parameters, potentially bypassing security controls. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-472. Affected package(s): golang1. 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.
Medium [CVE-2026-13595] heap use-after-free in libblkid nested partition probing
heap use-after-free in libblkid nested partition probing. Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-416. Affected package(s): util-linux-main. Resolved in Red Hat advisory RHSA-2026:26573 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 4 more.
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