Red Hat Linux Security Advisories & CVEs
5196 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 Linux 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 Linux advisories
High [CVE-2026-35579] Authentication bypass allows unauthorized access to TSIG-protected functionalities
Authentication bypass allows unauthorized access to TSIG-protected functionalities. Red Hat rates this important (CVSS 7.5). Weakness: CWE-303. Affected package(s): rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:25127 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14.
High [CVE-2026-35397] Unauthorized File Access via Path Traversal Vulnerability
Unauthorized File Access via Path Traversal Vulnerability. Red Hat rates this important (CVSS 7.1). Weakness: CWE-22. 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 OpenShift AI (RHOAI); Red Hat Migration Toolkit for Applications 8.2.
High [CVE-2026-32936] Denial of Service via oversized DNS-over-HTTPS GET requests
Denial of Service via oversized DNS-over-HTTPS GET requests. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-1284. Affected package(s): rhacm2/lighthouse-agent-rhel9:1780204232, rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:25127 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-25243] RESTORE invalid memory access may allow remote code execution
RESTORE invalid memory access may allow remote code execution. Red Hat rates this important (CVSS 8.8). Weakness: CWE-122. Affected package(s): redis, valkey, redis:6, redis:7. Resolved in Red Hat advisory RHSA-2026:26540 — 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 7 more.
High [CVE-2026-23631] Remote code execution via use-after-free in Lua scripting
Remote code execution via use-after-free in Lua scripting. Red Hat rates this important (CVSS 8.8). Weakness: CWE-416. Affected package(s): redis:7, valkey. Resolved in Red Hat advisory RHSA-2026:26540 — 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 9.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.6 Extended Update Support; Red Hat Hardened Images.
High [CVE-2026-23479] use-after-free in unblock client flow may allow remote code execution
use-after-free in unblock client flow may allow remote code execution. Red Hat rates this important (CVSS 7.5). Weakness: CWE-416. Affected package(s): redis:7, valkey. Resolved in Red Hat advisory RHSA-2026:26540 — 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 9.6 Extended Update Support; Red Hat Hardened Images.
High [CVE-2026-29168] unrestricted OCSP response leads to resource exhaustion
unrestricted OCSP response leads to resource exhaustion. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-770. Affected package(s): mod_md, jbcs-httpd24-httpd, jbcs-httpd24-mod_md. Resolved in Red Hat advisory RHSA-2026:27200 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7.
High [CVE-2026-6918] Denial of Service in JITServer via crafted TCP message
Denial of Service in JITServer via crafted TCP message. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1286. Affected package(s): java. Resolved in Red Hat advisory RHSA-2026:22328 — 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 10.2 Extended Update Support.
High [CVE-2026-6322] URI authority bypass due to improper delimiter handling
URI authority bypass due to improper delimiter handling. Red Hat rates this important (CVSS 7.5). Weakness: CWE-140. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, cluster-observability-operator/distributed-tracing-console-plugin-pf5-rhel9:1782839981, cluster-observability-operator/distributed-tracing-console-plugin-pf4-rhel9:1782840519, openshift4/ose-monitoring-plugin-rhel9:1782313844, quay/quay-rhel8:1781878070, rhacm2/console-rhel9:1780600823. Resolved in Red Hat advisory RHSA-2026:26234 — 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 Enterprise Linux Extensions Channel (v. 10); Red Hat Developer Hub 1.10; Red Hat Developer Hub 1.9; and 31 more.
High [CVE-2026-43868] Denial of Service via excessive memory allocation
Denial of Service via excessive memory allocation. Red Hat rates this important (CVSS 7.5). Weakness: CWE-1285. Affected package(s): libthrift. Resolved in Red Hat advisory RHSA-2026:26586 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat AI Inference Server; Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat Fuse 7; Red Hat OpenShift AI (RHOAI); and 1 more.
High [CVE-2026-43869] Security bypass due to improper certificate validation
Security bypass due to improper certificate validation. Red Hat rates this important (CVSS 7.3). Weakness: CWE-295. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779925273, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, cryostat/cryostat-storage-rhel9:4.2.0, libthrift, rhosdt/tempo-rhel9:1781589494. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; and 13 more.
High [CVE-2026-42997] Information disclosure via credential forwarding during mold import
Information disclosure via credential forwarding during mold import. Red Hat rates this important (CVSS 7.7). Weakness: CWE-201. 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 OpenShift Container Platform 4; Red Hat OpenStack Platform 17.1; Red Hat OpenStack Platform 18.0.
High [CVE-2026-7911] Use after free in Aura
Use after free in Aura. Red Hat rates this important (CVSS 8.2). 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.
High [CVE-2026-7910] Use after free in Views
Use after free in Views. Red Hat rates this important (CVSS 7.7). 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.
High [CVE-2026-7903] Integer overflow in ANGLE
Integer overflow in ANGLE. 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-2026-7899] Out of bounds read and write in V8
Out of bounds read and write in V8. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-7896] Integer overflow in Blink
Integer overflow in Blink. 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-2026-7929] Use after free in MediaRecording
Use after free in MediaRecording. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-7926] Use after free in PresentationAPI
Use after free in PresentationAPI. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-7913] Insufficient policy enforcement in DevTools
Insufficient policy enforcement in DevTools. Red Hat rates this important (CVSS 7.3). Weakness: CWE-266. 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.