Red Hat Linux Security Advisories & CVEs
5199 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 Linux 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 Linux advisories
High [CVE-2006-10003] XML::Parser: Memory corruption via deeply nested XML files
XML::Parser: Memory corruption via deeply nested XML files. Red Hat rates this important (CVSS 8.8). Weakness: CWE-193. Affected package(s): perl-XML-Parser. Resolved in Red Hat advisory RHSA-2026:8608 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 11 more.
High [CVE-2026-4424] Information disclosure via heap out-of-bounds read in RAR archive processing
Information disclosure via heap out-of-bounds read in RAR archive processing. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. Affected package(s): libarchive, rhcos, rhpam, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1778274666, rhui5/cds-kubernetes-tp-rhel9:1777459441. Resolved in Red Hat advisory RHSA-2026:20040 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 25 more.
High [CVE-2025-69720] Buffer overflow vulnerability may lead to arbitrary code execution.
Buffer overflow vulnerability may lead to arbitrary code execution.. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-120. Affected package(s): ncurses, ncurses-main. Resolved in Red Hat advisory RHSA-2026:5913 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
Medium [CVE-2006-10002] XML::Parser for Perl: Heap corruption and denial of service from crafted XML input
XML::Parser for Perl: Heap corruption and denial of service from crafted XML input. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-131. Affected package(s): perl-XML-Parser. Resolved in Red Hat advisory RHSA-2026:8608 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 7.
Medium [CVE-2026-4426] Denial of Service via malformed ISO file processing
Denial of Service via malformed ISO file processing. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1335. Affected package(s): libarchive-main. Resolved in Red Hat advisory RHSA-2026:8944 — update the affected packages (`sudo dnf update`). Affected products 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.
Critical [CVE-2026-4443] Heap buffer overflow in WebAudio
Heap buffer overflow in WebAudio. 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.
Critical [CVE-2026-4459] Out of bounds read and write in WebAudio
Out of bounds read and write in WebAudio. Red Hat rates this important (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-2026-4456] Use after free in Digital Credentials API
Use after free in Digital Credentials API. Red Hat rates this important (CVSS 9). 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-2026-4463] Heap buffer overflow in WebRTC
Heap buffer overflow in WebRTC. 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.
High [CVE-2025-15031] Path Traversal Vulnerability in mlflow/mlflow
Path Traversal Vulnerability in mlflow/mlflow. Red Hat rates this important (CVSS 8.1). 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 OpenShift AI (RHOAI).
High [CVE-2026-32636] Denial of Service via out-of-bounds write in NewXMLTree method
Denial of Service via out-of-bounds write in NewXMLTree method. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-787. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:17618 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7.
High [CVE-2026-31963] Arbitrary code execution via crafted CRAM file
Arbitrary code execution via crafted CRAM file. Red Hat rates this important (CVSS 7.3). Weakness: CWE-193. 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-2026-31962] Heap buffer overflow leading to arbitrary code execution via crafted CRAM file
Heap buffer overflow leading to arbitrary code execution via crafted CRAM file. Red Hat rates this important (CVSS 7.3). Weakness: CWE-1284. 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.