Red Hat Linux Security Advisories & Vulnerabilities
16064 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
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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-2026-2327] Denial of Service via Regular Expression Denial of Service in linkify function
Denial of Service via Regular Expression Denial of Service in linkify function. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-1333. Affected package(s): devspaces/openvsx-rhel9:1779528224. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-2003] PostgreSQL oidvector discloses a few bytes of memory
PostgreSQL oidvector discloses a few bytes of memory. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-1287. Affected package(s): postgresql:16, postgresql, postgresql:15, postgresql18-main, rhui5/rhua-rhel9:1773670137, postgresql16. Resolved in Red Hat advisory RHSA-2026:3896 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
High [CVE-2026-25990] Out-of-bounds Write via Specially Crafted PSD Image
Out-of-bounds Write via Specially Crafted PSD Image. Red Hat rates this important (CVSS 7.3). Weakness: CWE-787. Affected package(s): ansible-automation-platform, quay/quay-rhel9:1775069491, python3.12-pillow, rhaiis/model-opt-cuda-rhel9:1772713830, rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9:1776336652, 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 Ansible Automation Platform 2.6 for RHEL 9; Red Hat Satellite 6.16 for RHEL 8; and 15 more.
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.
Medium [CVE-2026-1669] Information disclosure via arbitrary file read in model loading mechanism
Information disclosure via arbitrary file read in model loading mechanism. Red Hat rates this important (CVSS 6.5). Weakness: CWE-73. 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).
Low [CVE-2026-2366] Information disclosure via authorization bypass in Admin API
Information disclosure via authorization bypass in Admin API. Red Hat rates this low (CVSS 3.1). Weakness: CWE-639. Affected package(s): rhbk/keycloak-operator-bundle:26.4.11, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9:26.4. Resolved in Red Hat advisory RHSA-2026:6478 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
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.
Medium [CVE-2026-0966] Denial of Service via zero-length input in ssh_get_hexa()
Denial of Service via zero-length input in ssh_get_hexa(). Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-124. Affected package(s): libssh, libssh-main. Resolved in Red Hat advisory RHSA-2026:18160 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat Enterprise Linux 8; and 1 more.
Medium [CVE-2026-0964] Improper sanitation of paths received from SCP servers
Improper sanitation of paths received from SCP servers. Red Hat rates this moderate (CVSS 5). Weakness: CWE-22. Affected package(s): libssh. Resolved in Red Hat advisory RHSA-2026:18160 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat OpenShift Container Platform 4.
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