Red Hat Linux Security Advisories & CVEs
4888 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-2026-5201] Denial of Service via heap-based buffer overflow when processing a specially crafted JPEG image
Denial of Service via heap-based buffer overflow when processing a specially crafted JPEG image. Red Hat rates this important (CVSS 7.5). Weakness: CWE-122. Affected package(s): gdk-pixbuf2, 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-2026:10707 — 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.
High [CVE-2026-5283] Inappropriate implementation in ANGLE
Inappropriate implementation in ANGLE. Red Hat rates this important (CVSS 7.4). Weakness: CWE-346. 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-2026-33987] Memory corruption vulnerability allows denial of service or arbitrary code execution
Memory corruption vulnerability allows denial of service or arbitrary code execution. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-131. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:16014 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-33986] Arbitrary code execution or denial of service via H.264 codec memory allocation vulnerability
Arbitrary code execution or denial of service via H.264 codec memory allocation vulnerability. Red Hat rates this important (CVSS 7.5). 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-2026-33984] Heap buffer overflow allows arbitrary code execution via crafted pixel data
Heap buffer overflow allows arbitrary code execution via crafted pixel data. Red Hat rates this important (CVSS 7.5). Weakness: CWE-131. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:8945 — 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 8.2 Advanced Update 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 9 more.
High [CVE-2026-33983] Denial of Service via specially crafted Remote Desktop Protocol messages
Denial of Service via specially crafted Remote Desktop Protocol messages. Red Hat rates this important (CVSS 7.5). Weakness: CWE-190. Affected package(s): freerdp. Resolved in Red Hat advisory RHSA-2026:8945 — 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 8.2 Advanced Update 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 9 more.
High [CVE-2026-21710] Denial of Service due to crafted HTTP `__proto__` header
Denial of Service due to crafted HTTP `__proto__` header. Red Hat rates this important (CVSS 7.5). Weakness: CWE-843. Affected package(s): nodejs:20, nodejs:22, nodejs22, nodejs24, nodejs:24. Resolved in Red Hat advisory RHSA-2026:7350 — 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 9.4 Extended Update Support; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-34714] Arbitrary code execution via crafted file
Arbitrary code execution via crafted file. Red Hat rates this important (CVSS 8.6). Weakness: CWE-917. 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-2026-5121] Arbitrary code execution via integer overflow in ISO9660 image processing
Arbitrary code execution via integer overflow in ISO9660 image processing. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-190. 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 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.2 Advanced Update 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 27 more.
High [CVE-2026-2370] Improper authorization allows credential disclosure and GitLab app impersonation
Improper authorization allows credential disclosure and GitLab app impersonation. Red Hat rates this important (CVSS 8.1). Weakness: CWE-233. 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-2026-20664] Processing maliciously crafted web content may lead to an unexpected process crash
Processing maliciously crafted web content may lead to an unexpected process crash. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:19206 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 8 more.
High [CVE-2026-28859] A malicious website may be able to process restricted web content outside the sandbox
A malicious website may be able to process restricted web content outside the sandbox. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected package(s): webkit2gtk3, webkitgtk4. Resolved in Red Hat advisory RHSA-2026:19206 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 8 more.
High [CVE-2026-34226] Information disclosure via incorrect cookie handling in fetch requests
Information disclosure via incorrect cookie handling in fetch requests. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. 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 Ansible Automation Platform 2.
High [CVE-2026-33943] Remote Code Execution via JavaScript expression injection
Remote Code Execution via JavaScript expression injection. Red Hat rates this important (CVSS 8.8). Weakness: CWE-917. 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 Container Platform 4.
High [CVE-2026-33941] Arbitrary code execution via CLI precompiler input sanitization flaw
Arbitrary code execution via CLI precompiler input sanitization flaw. Red Hat rates this important (CVSS 8.2). Weakness: CWE-94. Affected package(s): 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, devspaces/code-rhel9:1776744110. Resolved in Red Hat advisory RHSA-2026:34342 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Logging Subsystem for Red Hat OpenShift; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; and 2 more.
High [CVE-2026-33940] Arbitrary code execution via crafted template context
Arbitrary code execution via crafted template context. Red Hat rates this important (CVSS 8.1). Weakness: CWE-94. Affected package(s): 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, devspaces/code-rhel9:1776744110. Resolved in Red Hat advisory RHSA-2026:34342 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Logging Subsystem for Red Hat OpenShift; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; and 1 more.
High [CVE-2026-33939] Denial of Service via malformed decorator syntax in template compilation
Denial of Service via malformed decorator syntax in template compilation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-248. Affected package(s): 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, devspaces/code-rhel9:1776744110. Resolved in Red Hat advisory RHSA-2026:34342 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Logging Subsystem for Red Hat OpenShift; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-33938] Arbitrary code execution via @partial-block overwrite
Arbitrary code execution via @partial-block overwrite. Red Hat rates this important (CVSS 8.1). Weakness: CWE-917. Affected package(s): 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, devspaces/code-rhel9:1776744110. Resolved in Red Hat advisory RHSA-2026:34342 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.27; Logging Subsystem for Red Hat OpenShift; Red Hat Enterprise Linux 8; Red Hat Developer Hub.
High [CVE-2026-33896] Forge (node-forge): Certificate validation bypass allows unauthorized certificate issuance
Forge (node-forge): Certificate validation bypass allows unauthorized certificate issuance. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, automation-gateway, 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 Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; and 8 more.
High [CVE-2026-33895] Authentication bypass via forged Ed25519 cryptographic signatures
Authentication bypass via forged Ed25519 cryptographic signatures. Red Hat rates this important (CVSS 7.5). Weakness: CWE-347. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, automation-gateway, 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 Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; and 6 more.