Red Hat Linux Security Advisories & CVEs
3177 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
Medium [CVE-2026-73433] unsigned integer underflow in avidemux FUJIFILM strd parsing leading to out-of-bounds read/write
unsigned integer underflow in avidemux FUJIFILM strd parsing leading to out-of-bounds read/write. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-191. Red Hat lists fixing advisory RHSA-2026:55436 with package gstreamer1-plugins-good-0:1.16.1-7.el8_10.3, gstreamer1-plugins-good-0:1.26.7-2.el10_2.5, gstreamer1-plugins-good-0:1.22.12-7.el9_8.4. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9.
Medium [CVE-2026-73434] out-of-bounds read in avidemux vprp video field descriptor parsing
out-of-bounds read in avidemux vprp video field descriptor parsing. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:55436 with package gstreamer1-plugins-good-0:1.16.1-7.el8_10.3, gstreamer1-plugins-good-0:1.26.7-2.el10_2.5, gstreamer1-plugins-good-0:1.22.12-7.el9_8.4. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9.
Medium [CVE-2026-19130] cross-namespace credential propagation via attacker-controlled copiedFrom labels bypasses authorization
cross-namespace credential propagation via attacker-controlled copiedFrom labels bypasses authorization. Red Hat rates this important (CVSS 5.8). Weakness: CWE-639. Affected product named by the advisory: Multicluster Engine for Kubernetes.
Medium [CVE-2026-73295] Material for MkDocs: DOM-based Cross-Site Scripting via crafted URL parameter
Material for MkDocs: DOM-based Cross-Site Scripting via crafted URL parameter. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-79. Affected products named by the advisory: Red Hat Certification Program for Red Hat Enterprise Linux 9; Red Hat Developer Hub; Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Self-service automation portal 2.
Medium [CVE-2026-19548] Multiple Use-After-Free in add_archive_element via LTO plugin processing
Multiple Use-After-Free in add_archive_element via LTO plugin processing. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-416. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 8 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Red Hat package: binutils; and 4 more.
Medium [CVE-2026-18725] Out-of-bounds access in iscsiuio ICMPv6 echo handling
Out-of-bounds access in iscsiuio ICMPv6 echo handling. Red Hat rates this moderate (CVSS 6.3). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: iscsi-initiator-utils.
Medium [CVE-2026-18663] pre-authentication double-free in get_ldapmessage_controls_ext via critical Session Tracking control
pre-authentication double-free in get_ldapmessage_controls_ext() via critical Session Tracking control. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-415. Affected products named by the advisory: Red Hat Directory Server 13; Red Hat Enterprise Linux 10.
Medium [CVE-2026-9318] Arbitrary JavaScript execution via stored Cross-Site Scripting in HTML export
Arbitrary JavaScript execution via stored Cross-Site Scripting in HTML export. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-79. Affected products named by the advisory: Red Hat Ansible Automation Platform 2; Red Hat Satellite 6; Red Hat Update Infrastructure 4 for Cloud Providers; Red Hat Update Infrastructure 5.
Medium [CVE-2026-19587] Denial of Service due to excessive resource allocation
Denial of Service due to excessive resource allocation. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-1050.
Medium [CVE-2026-64927] cross-namespace Secret and ConfigMap mutation via spec.secretRef.namespace confused deputy
cross-namespace Secret and ConfigMap mutation via spec.secretRef.namespace confused deputy. Red Hat rates this moderate (CVSS 6.4). Weakness: CWE-639. Affected product named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.
Medium [CVE-2026-68430] drop unecessary BUG_ON
drop unecessary BUG_ON(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-617. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 5 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; and 1 more.
Medium [CVE-2026-68450] free mapping node on duplicate reloc root insert
free mapping node on duplicate reloc root insert. Red Hat rates this low (CVSS 5.5). Weakness: CWE-772. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat Hardened Images; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-68429] Handle torn-down topology gracefully in drm_dp_mst_topology_queue_probe
Handle torn-down topology gracefully in drm_dp_mst_topology_queue_probe(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-68436] use kvzalloc to allocate struct dc
use kvzalloc to allocate struct dc. Red Hat rates this low (CVSS 5.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 4 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-68446] Validate vmw_surface_metadata::array_size
Validate vmw_surface_metadata::array_size. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-805. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Medium [CVE-2026-68439] fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv
fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv(). Red Hat rates this low (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; Red Hat package: kernel.
Medium [CVE-2026-68431] validate minimum PDU size for transform requests
validate minimum PDU size for transform requests. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux for NVIDIA 26; Red Hat package: kernel.
Medium [CVE-2026-68438] Make CSD lock acquisition atomic for debug mode
Make CSD lock acquisition atomic for debug mode. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-821.
Medium [CVE-2026-68433] bound get_version reply decode to front len
bound get_version reply decode to front len. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125. 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; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-68440] fix heap overflow when reading module EEPROM
fix heap overflow when reading module EEPROM. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-787.