Red Hat Linux Security Advisories & Vulnerabilities
16039 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often
Get an email when Red Hat publishes the next one.
See Red Hat's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
iPhone and Android apps · New on the App Store
Monitor Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
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, so keep the system patched. This is the release's advisory history, not a per-package scan.
Official source
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
Medium [CVE-2026-5864] Heap buffer overflow in WebAudio
Heap buffer overflow in WebAudio. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-5867] Heap buffer overflow in WebML
Heap buffer overflow in WebML. Red Hat rates this important (CVSS 6.5). 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.
Medium [CVE-2026-5869] Heap buffer overflow in WebML
Heap buffer overflow in WebML. Red Hat rates this important (CVSS 6.5). 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.
Low [CVE-2026-33551] Privilege escalation through EC2 credential creation
Privilege escalation through EC2 credential creation. Red Hat rates this low (CVSS 3.5). Weakness: CWE-266. Affected package(s): openstack-keystone. Resolved in Red Hat advisory RHSA-2026:28044 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9.
Low [CVE-2026-28387] Arbitrary code execution due to use-after-free in DANE TLSA authentication
Arbitrary code execution due to use-after-free in DANE TLSA authentication. Red Hat rates this low (CVSS 3.7). Weakness: CWE-1341. Affected package(s): openssl-main. Resolved in Red Hat advisory RHSA-2026:7261 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-35030] Authentication bypass and privilege escalation via OIDC userinfo cache key collision
Authentication bypass and privilege escalation via OIDC userinfo cache key collision. Red Hat rates this important (CVSS 9.1). Weakness: CWE-222. Affected package(s): ansible-automation-platform, rhoai/odh-llama-stack-core-rhel9:1781826406, rhoai/odh-llama-stack-core-rhel9:1782310008. Resolved in Red Hat advisory RHSA-2026:28960 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3.
High [CVE-2026-35172] Information disclosure via stale references after content deletion
Information disclosure via stale references after content deletion. Red Hat rates this important (CVSS 7.5). Weakness: CWE-524. Affected package(s): openshift4/ose-operator-lifecycle-manager:1781122773, openshift4/ose-operator-lifecycle-manager-rhel9:1779915499, openshift4/ose-operator-lifecycle-manager:1781123052, openshift4/ose-operator-lifecycle-manager:1781833795, openshift4/ose-operator-lifecycle-manager-rhel9:1780957268. Resolved in Red Hat advisory RHSA-2026:28893 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Container Platform 4.12; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; Red Hat OpenShift Container Platform 4.15; and 3 more.
High [CVE-2026-35029] Remote code execution and privilege escalation via unrestricted proxy configuration endpoint
Remote code execution and privilege escalation via unrestricted proxy configuration endpoint. Red Hat rates this important (CVSS 8.8). Weakness: CWE-425. Affected package(s): ansible-automation-platform, rhoai/odh-llama-stack-core-rhel9:1781826406, rhoai/odh-llama-stack-core-rhel9:1782310008. Resolved in Red Hat advisory RHSA-2026:28960 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3.
High [CVE-2026-34986] Denial of Service via crafted JSON Web Encryption (JWE) object
Denial of Service via crafted JSON Web Encryption (JWE) object. Red Hat rates this important (CVSS 7.5). Weakness: CWE-131. Affected package(s): odf4/mcg-core-rhel9:1776403991, openshift-service-mesh/pilot-rhel8:1777319850, openshift-service-mesh/istio-cni-rhel8:1777374598, odf4/odf-cloudnative-pg-rhel9-operator:1776406131, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-engine/assisted-installer-agent-rhel9:1776351169. Resolved in Red Hat advisory RHSA-2026:25194 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux AppStream EUS (v. 10.0); Red Hat Enterprise Linux AppStream (v. 10); Red Hat Enterprise Linux AppStream (v. 8); and 92 more.
High [CVE-2026-34589] Memory corruption leading to arbitrary code execution or denial of service
Memory corruption leading to arbitrary code execution or denial of service. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-34588] Arbitrary code execution and information disclosure via crafted EXR file
Arbitrary code execution and information disclosure via crafted EXR file. Red Hat rates this important (CVSS 8.8). Weakness: CWE-190. Affected package(s): openexr, rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, rhaiis/vllm-rocm-rhel9:1782353093, rhaiis/vllm-cuda-rhel9:1782352847. Resolved in Red Hat advisory RHSA-2026:15888 — 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 2 more.
High [CVE-2026-34444] Arbitrary Code Execution due to inconsistent attribute filtering
Arbitrary Code Execution due to inconsistent attribute filtering. Red Hat rates this important (CVSS 8.1). Weakness: CWE-914. Affected package(s): satellite/foreman-mcp-server-rhel9:1780492008. Resolved in Red Hat advisory RHSA-2026:22993 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Satellite 6.18.
High [CVE-2026-34379] Denial of Service due to misaligned memory write during EXR file decoding
Denial of Service due to misaligned memory write during EXR file decoding. Red Hat rates this important (CVSS 7.1). Weakness: CWE-475. 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-2026-34982] arbitrary command execution via modeline sandbox bypass
arbitrary command execution via modeline sandbox bypass. Red Hat rates this important (CVSS 8.2). Weakness: CWE-78. Affected package(s): rhaiis/model-opt-cuda-rhel9:1782352950, rhaiis/vllm-spyre-rhel9:1782352919, vim, rhui5/haproxy-rhel9:1779798164, rhui5/rhua-rhel9:1779798222, rhaiis/vllm-rocm-rhel9:1782353093. Resolved in Red Hat advisory RHSA-2026:28049 — 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 8.4 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 20 more.
High [CVE-2026-31408] Fix use-after-free in sco_recv_frame() due to missing sock_hold
Fix use-after-free in sco_recv_frame() due to missing sock_hold. Red Hat rates this moderate (CVSS 7). Weakness: CWE-911. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:19569 — 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.
Medium [CVE-2026-35177] Vim zip.vim plugin: Arbitrary file overwrite via path traversal bypass
Vim zip.vim plugin: Arbitrary file overwrite via path traversal bypass. Red Hat rates this moderate (CVSS 4.1). Weakness: CWE-22. Affected package(s): vim, rhui5/installer-rhel9:1781525693, rhui5/cds-rhel9:1781525684, rhui5/rhua-rhel9:1781525739, insights-proxy/insights-proxy-container-rhel9:1782890503, rhui5/haproxy-rhel9:1781525671. Resolved in Red Hat advisory RHSA-2026:28049 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Medium [CVE-2026-35166] Information disclosure and content manipulation via improper markdown link escaping
Information disclosure and content manipulation via improper markdown link escaping. Red Hat rates this moderate (CVSS 4.6). Weakness: CWE-79. Affected package(s): hugo-main. Resolved in Red Hat advisory RHSA-2026:7848 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-34756] Denial of Service via excessively large 'n' parameter in OpenAI-compatible API
Denial of Service via excessively large 'n' parameter in OpenAI-compatible API. Red Hat rates this important (CVSS 6.5). Weakness: CWE-1284. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat AI Inference Server 3.2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI); Red Hat AI Inference Server 3.4; and 1 more.
Medium [CVE-2026-34755] Denial of Service due to excessive video frame processing
Denial of Service due to excessive video frame processing. Red Hat rates this important (CVSS 6.5). Weakness: CWE-770. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat AI Inference Server 3.2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI); Red Hat AI Inference Server 3.4; and 1 more.
Medium [CVE-2026-5704] hidden file injection via crafted archives
A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a system without detection. Red Hat severity: Moderate — CVSS 5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N). Weakness: CWE-434. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Discovery 2; Red Hat Hardened Images; Red Hat Update Infrastructure 5; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7. Red Hat fixing advisory: RHSA-2026:61586, RHSA-2026:70390, RHSA-2026:61581, RHSA-2026:61783, RHSA-2026:66514, RHSA-2026:66018. Affected products named by the advisory: Red Hat package: tar.
Free weekly CVE digest
Every Monday: the week's critical and high advisories for Red Hat or every vendor, new CISA KEV entries and upcoming end-of-life dates.