Red Hat Linux Security Advisories & CVEs
3067 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited backstops use a safe source cadence
Android app · Google Play
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 32 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 — 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
High [CVE-2026-41044] Arbitrary code execution via improper input validation in admin console
Arbitrary code execution via improper input validation in admin console. Red Hat rates this important (CVSS 7.2). Weakness: CWE-94. 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 JBoss Enterprise Application Platform 7.
High [CVE-2026-40466] Arbitrary code execution via improper input validation in HTTP Discovery transport
Arbitrary code execution via improper input validation in HTTP Discovery transport. Red Hat rates this important (CVSS 8.8). Weakness: CWE-94. 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 JBoss Enterprise Application Platform 7.
High [CVE-2026-21728] Denial of Service via large queries
Denial of Service via large queries. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779925273, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439. Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Ceph Storage 5; Red Hat Ceph Storage 6; Red Hat Ceph Storage 9; Red Hat OpenShift distributed tracing 3; and 6 more.
High [CVE-2026-41316] Arbitrary code execution via deserialization bypass
Arbitrary code execution via deserialization bypass. Red Hat rates this important (CVSS 8.1). Weakness: CWE-502. Affected package(s): ruby, ruby4.0, ruby:3.3, ruby:4.0. Resolved in Red Hat advisory RHSA-2026:20614 — 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; Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; and 3 more.
High [CVE-2026-31663] hold dev ref until after transport_finish NF_HOOK
hold dev ref until after transport_finish NF_HOOK. Red Hat rates this important (CVSS 7). Weakness: CWE-826. 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-2026-31636] fix RESPONSE authenticator parser OOB read
fix RESPONSE authenticator parser OOB read. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-805. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:30129 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1.
High [CVE-2026-31641] Fix RxGK token loading to check bounds
Fix RxGK token loading to check bounds. Red Hat rates this important (CVSS 7.3). Weakness: CWE-190. Affected package(s): kernel. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 10.
High [CVE-2026-31617] validate minimum block_len in ncm_unwrap_ntb()
validate minimum block_len in ncm_unwrap_ntb(). Red Hat rates this important (CVSS 7). Weakness: CWE-191. 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 10.
High [CVE-2026-31613] fix OOB reads parsing symlink error response
fix OOB reads parsing symlink error response. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-125. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:25120 — 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.
High [CVE-2026-31669] fix slab-use-after-free in __inet_lookup_established
fix slab-use-after-free in __inet_lookup_established. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-763. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:27288 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
High [CVE-2026-31607] validate number_of_packets in usbip_pack_ret_submit()
validate number_of_packets in usbip_pack_ret_submit(). Red Hat rates this important (CVSS 7.3). Weakness: CWE-805. Affected package(s): kernel. 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 10.0 Extended Update Support; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 9.6 Extended Update Support.
High [CVE-2026-41246] Arbitrary Code Execution and Denial of Service via Lua Code Injection
Arbitrary Code Execution and Denial of Service via Lua Code Injection. Red Hat rates this important (CVSS 8.1). Weakness: CWE-94. 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-2026-40886] Denial of Service via malformed workflow pod annotation
Denial of Service via malformed workflow pod annotation. Red Hat rates this important (CVSS 7.7). Weakness: CWE-1285. 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-2026-6919] Use after free in DevTools
Use after free in DevTools. 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-2026-41240] Cross-Site Scripting (XSS) via inconsistent tag sanitization
Cross-Site Scripting (XSS) via inconsistent tag sanitization. Red Hat rates this moderate (CVSS 8.1). Weakness: CWE-79. Affected package(s): rhoai/odh-mod-arch-model-registry-rhel9:1780467147, devspaces/openvsx-rhel9:1779528224, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, devspaces/code-rhel9:1779814592, rhoai/odh-dashboard-rhel9:1780467029, automation-platform-ui. Resolved in Red Hat advisory RHSA-2026:27872 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9.
High [CVE-2026-34003] X.Org X server: Information exposure and denial of service via out-of-bounds memory access
X.Org X server: Information exposure and denial of service via out-of-bounds memory access. Red Hat rates this important (CVSS 7.8). Weakness: CWE-125. Affected package(s): tigervnc, xorg-x11-server-Xwayland, xorg-x11-server. Resolved in Red Hat advisory RHSA-2026:24341 — 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 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 11 more.
High [CVE-2026-34001] X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption
X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption. Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. Affected package(s): tigervnc, xorg-x11-server-Xwayland, xorg-x11-server. Resolved in Red Hat advisory RHSA-2026:24341 — 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 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 11 more.
High [CVE-2026-33999] X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling
X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling. Red Hat rates this important (CVSS 7.8). Weakness: CWE-191. Affected package(s): tigervnc, xorg-x11-server-Xwayland, xorg-x11-server. Resolved in Red Hat advisory RHSA-2026:24341 — 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 6 Extended Lifecycle Support - EXTENSION; Red Hat Enterprise Linux 7 Extended Lifecycle Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 11 more.
High [CVE-2026-41989] Denial of Service and buffer overflow via crafted ECDH ciphertext
Denial of Service and buffer overflow via crafted ECDH ciphertext. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-131. Affected package(s): libgcrypt-main. Resolved in Red Hat advisory RHSA-2026:8466 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-41196] Luanti (Minetest): Arbitrary code execution and full filesystem access via malicious mod sandbox escape
Luanti (Minetest): Arbitrary code execution and full filesystem access via malicious mod sandbox escape. Red Hat rates this important (CVSS 8.2). Weakness: CWE-749. 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.