Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1158 advisories tracked · Red Hat Security Data API · 3 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Red Hat Linux advisory that VulniPulse classified as Red Hat Enterprise Linux, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 31 critical, 770 high, 341 medium, 16 low.
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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 Red Hat Enterprise Linux advisories
High [CVE-2026-32981] Ray Dashboard Path Traversal Leading to Local File Disclosure
Ray Dashboard Path Traversal Leading to Local File Disclosure. Red Hat rates this important (CVSS 7.5). Weakness: CWE-22. Affected package(s): rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9:1780078429, rhaiis/vllm-cuda-rhel9:1774351144, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1778677734, rhoai/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9:1778677667, rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9:1778677692, rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9:1780078413. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat AI Inference Server 3.2; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; Red Hat Enterprise Linux AI (RHEL AI) 3; and 1 more.
High [CVE-2026-4177] YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter
YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. Red Hat rates this important (CVSS 7.3). Weakness: CWE-120. Affected package(s): perl-YAML-Syck. Resolved in Red Hat advisory RHSA-2026:6470 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.
High [CVE-2026-3084] Remote Code Execution via integer underflow in H.266 Codec Parser
Remote Code Execution via integer underflow in H.266 Codec Parser. Red Hat rates this important (CVSS 7.8). Weakness: CWE-191. 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 8.
High [CVE-2026-2921] Arbitrary code execution via RIFF palette integer overflow in AVI file handling
Arbitrary code execution via RIFF palette integer overflow in AVI file handling. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free, gstreamer-plugins-base, gstreamer-plugins-good. Resolved in Red Hat advisory RHSA-2026:19180 — 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 10 more.
High [CVE-2026-3083] Remote Code Execution via Out-Of-Bounds Write in rtpqdm2depay
Remote Code Execution via Out-Of-Bounds Write in rtpqdm2depay. Red Hat rates this important (CVSS 8.8). Weakness: CWE-787. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free, gstreamer-plugins-base, gstreamer-plugins-good. Resolved in Red Hat advisory RHSA-2026:19180 — 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 10 more.
High [CVE-2026-3086] Remote Code Execution via Out-Of-Bounds Write in H.266 Codec Parser
Remote Code Execution via Out-Of-Bounds Write in H.266 Codec Parser. Red Hat rates this important (CVSS 7.8). 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 8.
High [CVE-2026-3085] Remote Code Execution via Heap-based Buffer Overflow in rtpqdm2depay
Remote Code Execution via Heap-based Buffer Overflow in rtpqdm2depay. Red Hat rates this important (CVSS 8.8). Weakness: CWE-1284. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free, gstreamer-plugins-base, gstreamer-plugins-good. Resolved in Red Hat advisory RHSA-2026:19180 — 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 10 more.
High [CVE-2026-3082] Remote Code Execution via heap-based buffer overflow in JPEG parser
Remote Code Execution via heap-based buffer overflow in JPEG parser. Red Hat rates this important (CVSS 7.8). Weakness: CWE-120. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free. Resolved in Red Hat advisory RHSA-2026:19180 — 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 10 more.
High [CVE-2026-2923] Remote Code Execution via out-of-bounds write in DVB Subtitles handling
Remote Code Execution via out-of-bounds write in DVB Subtitles handling. Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free. Resolved in Red Hat advisory RHSA-2026:19180 — 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 8; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-2922] Remote Code Execution via out-of-bounds write in RealMedia Demuxer
Remote Code Execution via out-of-bounds write in RealMedia Demuxer. Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free. Resolved in Red Hat advisory RHSA-2026:19180 — 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 9.6 Extended Update Support.
High [CVE-2026-2920] Arbitrary code execution via ASF file processing
Arbitrary code execution via ASF file processing. Red Hat rates this important (CVSS 7.8). Weakness: CWE-120. Affected package(s): gstreamer1-plugins-good, gstreamer1-plugins-ugly-free, gstreamer1-plugins-base, gstreamer1-plugins-bad-free. Resolved in Red Hat advisory RHSA-2026:19180 — 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 8; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-31806] Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages
Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages. Red Hat rates this important (CVSS 8.8). Weakness: CWE-131. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:6958 — 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 10 more.
High [CVE-2026-32597] PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)
PyJWT accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation). Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): ansible-automation-platform, python3.12-pyjwt, quay/quay-rhel8:1775169155, quay/quay-rhel8:1775253092, fence-agents, rhelai3/bootc-aws-cuda-rhel9:1776871984. Resolved in Red Hat advisory RHSA-2026:13508 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; and 17 more.
High [CVE-2026-2229] Denial of Service via invalid WebSocket permessage-deflate extension parameter
Denial of Service via invalid WebSocket permessage-deflate extension parameter. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, 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: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 7 more.
High [CVE-2026-1528] Denial of Service via crafted WebSocket frame with large length
Denial of Service via crafted WebSocket frame with large length. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, 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: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 7 more.
High [CVE-2026-1526] Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression
Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, 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: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 7 more.
High [CVE-2026-3497] Information disclosure or denial of service due to uninitialized variables
Information disclosure or denial of service due to uninitialized variables. Red Hat rates this important (CVSS 8.2). Weakness: CWE-824. Affected package(s): openssh, rhcos, rhpam, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1778274666, rhui5/installer-rhel9:1776868772. Resolved in Red Hat advisory RHSA-2026:20040 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Container Platform 4.12; Middleware Containers for OpenShift; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; and 52 more.
High [CVE-2026-28356] denial of service via maliciously crafted HTTP or multipart segment headers
denial of service via maliciously crafted HTTP or multipart segment headers. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected package(s): rhaiis/vllm-cuda-rhel9:1774351144, rhaiis/model-opt-cuda-rhel9:1774547384, rhoai/odh-caikit-tgis-serving-rhel9:1776247907, rhaiis/vllm-rocm-rhel9:1775252598, rhoai/odh-feature-server-rhel9:1776338381. Resolved in Red Hat advisory RHSA-2026:10184 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat AI Inference Server 3.2; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; OpenShift Lightspeed; and 3 more.
High [CVE-2026-4111] Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive
Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. Affected package(s): rhcos, rhaiis/vllm-rocm-rhel9:1778244531, discovery/discovery-server-rhel9:1775668717, libarchive, rhui5/haproxy-rhel9:1776868744, rhui5/installer-rhel9:1776868772. Resolved in Red Hat advisory RHSA-2026:7329 — 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 9.0 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.4 Extended Update Support; and 14 more.
High [CVE-2026-23868] Double-free vulnerability leading to memory corruption
Double-free vulnerability leading to memory corruption. Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected package(s): giflib, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1779223654, rhaiis/vllm-cuda-rhel9:1778274666, rhaiis/vllm-spyre-rhel9:1778244546, rhaiis/model-opt-cuda-rhel9:1780681984. Resolved in Red Hat advisory RHSA-2026:8859 — 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 12 more.