Red Hat Linux Security Advisories & CVEs
4893 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-2020-37178] Denial of Service via malicious HTML file drag and drop in help system
Denial of Service via malicious HTML file drag and drop in help system. Red Hat rates this important (CVSS 7.5). Weakness: CWE-237. 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-2026-1837] Out-of-bounds write in grayscale color transformation when using LCMS2
Out-of-bounds write in grayscale color transformation when using LCMS2. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-26157] Arbitrary file overwrite and potential code execution via incomplete path sanitization
Arbitrary file overwrite and potential code execution via incomplete path sanitization. Red Hat rates this important (CVSS 7). Weakness: CWE-73. Affected package(s): busybox-main. Resolved in Red Hat advisory RHSA-2026:13831 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-26158] Arbitrary file modification and privilege escalation via unvalidated tar archive entries
Arbitrary file modification and privilege escalation via unvalidated tar archive entries. Red Hat rates this important (CVSS 7). Weakness: CWE-73. Affected package(s): busybox-main. Resolved in Red Hat advisory RHSA-2026:13831 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2025-69872] Arbitrary code execution via insecure pickle deserialization
Arbitrary code execution via insecure pickle deserialization. Red Hat rates this important (CVSS 7.6). Weakness: CWE-502. Affected package(s): rhoai/odh-kserve-agent-rhel9:1770754605. Resolved in Red Hat advisory RHSA-2026:3713 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift AI 3.3; Red Hat Satellite 6.18; Red Hat AI Inference Server; Red Hat OpenShift AI (RHOAI).
High [CVE-2025-69873] ReDoS via $data reference
ReDoS via $data reference. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1333. Affected package(s): quay/quay-rhel9:1775069491, rhoai/odh-dashboard-rhel8:1774282136, rhoai/odh-mod-arch-gen-ai-rhel9:1778473763, automation-gateway, rhoai/odh-dashboard-rhel9:1779189627, satellite/iop-advisor-frontend-rhel9:1781181673. Resolved in Red Hat advisory RHSA-2026:6309 — 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 JBoss Enterprise Application Platform 7.3 EUS for RHEL 7; and 36 more.
High [CVE-2026-26007] cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves
cryptography Subgroup Attack Due to Missing Subgroup Validation for SECT Curves. Red Hat rates this important (CVSS 7.4). Weakness: CWE-354. Affected package(s): ansible-automation-platform, quay/quay-rhel9:1775069491, rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9:1776336652, fence-agents, rhoai/odh-workbench-jupyter-minimal-rocm-py312-rhel9:1776319190, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1776318795. Resolved in Red Hat advisory RHSA-2026:6309 — 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 Enterprise Linux 8; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; and 14 more.
High [CVE-2026-25506] MUNGE has a buffer overflow in message unpacking allows key leakage and credential forgery
MUNGE has a buffer overflow in message unpacking allows key leakage and credential forgery. Red Hat rates this important (CVSS 7.7). Weakness: CWE-120. Affected package(s): munge, rhaiis/vllm-spyre-rhel9:1778244546. Resolved in Red Hat advisory RHSA-2026:2934 — 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 10 more.
High [CVE-2025-14821] Insecure default configuration leads to local man-in-the-middle attacks on Windows
Insecure default configuration leads to local man-in-the-middle attacks on Windows. Red Hat rates this low (CVSS 7.8). Weakness: CWE-427. Affected package(s): libssh-main. Resolved in Red Hat advisory RHSA-2026:7067 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-25646] LIBPNG has a heap buffer overflow in png_set_quantize
LIBPNG has a heap buffer overflow in png_set_quantize. Red Hat rates this important (CVSS 7). Weakness: CWE-125. Affected package(s): rhcos, libpng15, libpng, libpng12, java, rhaiis/vllm-spyre-rhel9:1778244546. Resolved in Red Hat advisory RHSA-2026:5606 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Build of OpenJDK 17.0.9; 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; and 30 more.
High [CVE-2025-35998] Intel (R): From CVEorg collector
Intel (R): From CVEorg collector. Red Hat rates this important (CVSS 7.9). Weakness: CWE-1220. Affected package(s): microcode_ctl. Resolved in Red Hat advisory RHSA-2026:6888 — 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.
High [CVE-2026-2315] Inappropriate implementation in WebGPU
Inappropriate implementation in WebGPU. Red Hat rates this important (CVSS 8.8). 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-2026-2314] Heap buffer overflow in Codecs
Heap buffer overflow in Codecs. Red Hat rates this important (CVSS 8.8). 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-2026-25639] Axios affected by Denial of Service via __proto__ Key in mergeConfig
Axios affected by Denial of Service via __proto__ Key in mergeConfig. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1287. Affected package(s): rhoai/odh-mod-arch-gen-ai-rhel9:1778473763, rhoai/odh-dashboard-rhel9:1779189627, multicluster-engine/console-mce-rhel9:1776223790, ansible-automation-platform, openshift-service-mesh/kiali-ossmc-rhel9:1771372942, rhoai/odh-dashboard-rhel9:1776742021. Resolved in Red Hat advisory RHSA-2026:3107 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Advanced Cluster Management for Kubernetes 2.12; Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Management for Kubernetes 2.14; and 35 more.
High [CVE-2026-1609] Unauthorized Access via JWT authorization grant with disabled users
Unauthorized Access via JWT authorization grant with disabled users. Red Hat rates this important (CVSS 8.1). Weakness: CWE-284. 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-2026-1486] Disabled identity providers are still accepted for JWT Authorization Grant
Disabled identity providers are still accepted for JWT Authorization Grant. Red Hat rates this important (CVSS 8.8). Weakness: CWE-358. Affected package(s): rhbk/keycloak-rhel9, rhbk/keycloak-operator-bundle:26.4.9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:2366 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat build of Keycloak 26.4.
High [CVE-2026-1529] Unauthorized organization registration via improper invitation token validation
Unauthorized organization registration via improper invitation token validation. Red Hat rates this important (CVSS 8.1). Weakness: CWE-347. Affected package(s): rhbk/keycloak-rhel9, rhbk/keycloak-operator-bundle:26.2.13, rhbk/keycloak-operator-bundle:26.4.9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.2, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:2366 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat build of Keycloak 26.2; Red Hat build of Keycloak 26.4.
High [CVE-2025-66630] Predictable UUIDs from randomness source errors can lead to security bypasses
Predictable UUIDs from randomness source errors can lead to security bypasses. Red Hat rates this important (CVSS 7.7). Weakness: CWE-331. 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-2026-1584] Remote Denial of Service via crafted ClientHello with invalid PSK binder
Remote Denial of Service via crafted ClientHello with invalid PSK binder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-476. Affected package(s): gnutls-main. Resolved in Red Hat advisory RHSA-2026:7477 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Hardened Images.
High [CVE-2026-25793] Blocklist evasion via ECDSA Signature Malleability
Blocklist evasion via ECDSA Signature Malleability. Red Hat rates this important (CVSS 8.1). Weakness: CWE-347. 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.