Red Hat Linux Security Advisories & Vulnerabilities
16010 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-2026-9912] Inappropriate implementation in GPU
Inappropriate implementation in GPU. Red Hat rates this important (CVSS 6.5). Weakness: CWE-825. 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-2026-10010] Inappropriate implementation in Input
Inappropriate implementation in Input. Red Hat rates this important (CVSS 5.8). Weakness: CWE-653. 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-2026-9943] Out of bounds read in WebGL
Out of bounds read in WebGL. Red Hat rates this important (CVSS 6.5). Weakness: CWE-125. 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-2026-46037] validate reply type before using icmp_pointers
validate reply type before using icmp_pointers. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-1285. Affected package(s): rhcos. Resolved in Red Hat advisory RHSA-2026:25044 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-4480] Remote Code Execution in printing subsystem via unescaped job description
Remote Code Execution in printing subsystem via unescaped job description. Red Hat rates this important (CVSS 9). Weakness: CWE-78. Affected package(s): samba. Resolved in Red Hat advisory RHSA-2026:28057 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 8 more.
Critical [CVE-2026-7374] KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability
KubeVirt virt-handler: Privilege escalation and node compromise via symlink following vulnerability. Red Hat rates this important (CVSS 9.9). Weakness: CWE-59. Affected package(s): container-native-virtualization/virt-handler:1779375376, container-native-virtualization/virt-handler-rhel9:1779288737, container-native-virtualization/virt-handler-rhel9:1779174925, container-native-virtualization/virt-handler-rhel9:1779289071, container-native-virtualization/virt-handler-rhel9:1779420069, container-native-virtualization/virt-handler-rhel9:1778859977. Resolved in Red Hat advisory RHSA-2026:20866 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Container Native Virtualization 4.12; Red Hat Container Native Virtualization 4.13; Red Hat Container Native Virtualization 4.14; Red Hat Container Native Virtualization 4.15; and 6 more.
Critical [CVE-2026-4408] Remote Code Execution in SAMR
Remote Code Execution in SAMR. Red Hat rates this important (CVSS 9). Weakness: CWE-78. Affected package(s): samba, rhcos. Resolved in Red Hat advisory RHSA-2026:29863 — 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 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On; and 18 more.
High [CVE-2026-44209] Remote Code Execution via Server-Side Template Injection
Remote Code Execution via Server-Side Template Injection. Red Hat rates this important (CVSS 7.5). Weakness: CWE-917. 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: OpenShift Lightspeed; Red Hat Ansible Automation Platform 2.
High [CVE-2026-48863] Stack-based buffer overflow in libsolv EdDSA PGP signature verification allows denial of service
Stack-based buffer overflow in libsolv EdDSA PGP signature verification allows denial of service. Red Hat rates this important (CVSS 7.5). Weakness: CWE-121. 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-2026-48864] Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data
Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious.solv page data. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-787. Affected package(s): libsolv, libsolv-main. Resolved in Red Hat advisory RHSA-2026:28236 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Update Infrastructure 5; Red Hat Discovery 2; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 26 more.
High [CVE-2026-40033] Remote code execution via heap-buffer-overflow in gdi_CacheToSurface
Remote code execution via heap-buffer-overflow in gdi_CacheToSurface. 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 products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-9538] Denial of Service via crafted tar header with large entry size
Denial of Service via crafted tar header with large entry size. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. 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-2026-42496] Path traversal via crafted symlinks allows arbitrary file access
Path traversal via crafted symlinks allows arbitrary file access. Red Hat rates this important (CVSS 8.2). Weakness: CWE-22. Affected package(s): perl:5.32, perl-Archive-Tar. Resolved in Red Hat advisory RHSA-2026:30852 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-3238] Denial of service against AD DC WINS server
Denial of service against AD DC WINS server. Red Hat rates this important (CVSS 7.5). Weakness: CWE-476. 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-2026-46243] Linux kernel: smb: client: reject userspace cifs.spnego descriptions
Linux kernel: smb: client: reject userspace cifs.spnego descriptions. Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. Affected package(s): kernel, kernel-rt, rhcos, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:33219 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: NVIDIA for RHEL 10; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; and 19 more.
Medium [CVE-2026-48710] Security restriction bypass via malformed HTTP Host header
Security restriction bypass via malformed HTTP Host header. Red Hat rates this critical (CVSS 6.5). Weakness: CWE-1289. Affected package(s): rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9:1782132660, rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9:1782133865, rhoai/odh-pipeline-runtime-pytorch-llmcompressor-cuda-py312-rhel9:1782132444, satellite/iop-host-inventory-rhel9:1780414237, satellite/foreman-mcp-server-rhel9:1780492012, rhoai/odh-trustyai-nemo-guardrails-server-rhel9:1782420349. Resolved in Red Hat advisory RHSA-2026:34526 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat AI Inference Server 3.3; Red Hat Ansible Automation Platform 2.6; Red Hat Ansible Automation Platform 2.7; Red Hat OpenShift AI 3.3; and 8 more.
Medium [CVE-2026-3592] Amplification vulnerabilities via self-pointed glue records
Amplification vulnerabilities via self-pointed glue records. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-770. Affected package(s): bind-main. Resolved in Red Hat advisory RHSA-2026:20334 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-5950] Unbounded resend loop in BIND 9 resolver
Unbounded resend loop in BIND 9 resolver. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-835. Affected package(s): bind-main. Resolved in Red Hat advisory RHSA-2026:20334 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-32792] Packet of death with DNSCrypt
Packet of death with DNSCrypt. Red Hat rates this moderate (CVSS 5.9). Affected package(s): unbound-main. Resolved in Red Hat advisory RHSA-2026:20357 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Critical [CVE-2026-2651] Arbitrary code execution via unauthorized multipart upload access
Arbitrary code execution via unauthorized multipart upload access. Red Hat rates this critical (CVSS 9). Weakness: CWE-1220. 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.
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.