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
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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.
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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-2026-45852] Fix double free in rxe_srq_from_init
Fix double free in rxe_srq_from_init. Red Hat rates this important (CVSS 7). Affected package(s): kernel, kernel-rt. 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 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; Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support; and 5 more.
High [CVE-2026-46056] fix potential UAF in SSP passkey handlers
fix potential UAF in SSP passkey handlers. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-413. 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 9; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 1.
Medium [CVE-2026-9704] Privilege escalation due to oversized subject_token JWT
Privilege escalation due to oversized subject_token JWT. Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-1284. Affected package(s): rhbk/keycloak-operator-bundle:26.4.13, rhbk/keycloak-rhel9-operator:26.4, rhbk/keycloak-rhel9, rhbk/keycloak-rhel9:26.4, rhbk/keycloak-operator-bundle:26.6.3, rhbk/keycloak-rhel9:26.6. Resolved in Red Hat advisory RHSA-2026:30049 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-2340] vfs_worm does not block directory modification
vfs_worm does not block directory modification. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-280. 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 8.6 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; and 13 more.
Medium [CVE-2026-9689] http parameter pollution in oidc redirect uri allows response parameter duplication - #ghi-604
A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks this link, the client application might incorrectly prioritize attacker-controlled information over legitimate data. This vulnerability, known as HTTP parameter pollution, could allow an attacker to bypass security measures or gain unauthorized access to resources. Affected products named by the advisory: Red Hat build of Keycloak 26.4; Red Hat build of Keycloak 26.6.
Medium [CVE-2026-9980] Insufficient validation of untrusted input in Printing
Insufficient validation of untrusted input in Printing. Red Hat rates this important (CVSS 6.7). Weakness: CWE-1286. 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-2026-9917] Uninitialized Use in WebGL
Uninitialized Use in WebGL. Red Hat rates this important (CVSS 6.5). Weakness: CWE-824. 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-2026-10004] Insufficient validation of untrusted input in Passwords
Insufficient validation of untrusted input in Passwords. Red Hat rates this important (CVSS 5.4). Weakness: CWE-1173. 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-2026-9959] Race in WebRTC
Race in WebRTC. Red Hat rates this important (CVSS 6.5). Weakness: CWE-366. 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-2026-9986] Insufficient validation of untrusted input in OptimizationGuide
Insufficient validation of untrusted input in OptimizationGuide. Red Hat rates this important (CVSS 5.7). Weakness: CWE-1289. 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-2026-9920] Uninitialized Use in GPU
Uninitialized Use in GPU. Red Hat rates this important (CVSS 5.8). Weakness: CWE-824. 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-2026-9985] Insufficient validation of untrusted input in Media
Insufficient validation of untrusted input in Media. Red Hat rates this important (CVSS 4.8). 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.
Medium [CVE-2026-10008] Uninitialized Use in GPU
Uninitialized Use in GPU. Red Hat rates this important (CVSS 6.5). Weakness: CWE-824. 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-2026-9944] Uninitialized Use in ANGLE
Uninitialized Use in ANGLE. Red Hat rates this important (CVSS 6.8). Weakness: CWE-824. 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-2026-9996] Out of bounds read in WebRTC
Out of bounds read in WebRTC. 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-2026-9981] Inappropriate implementation in Skia
Inappropriate implementation in Skia. 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-2026-10011] Inappropriate implementation in Skia
Inappropriate implementation in Skia. Red Hat rates this important (CVSS 6.8). Weakness: CWE-346. 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-2026-9929] Inappropriate implementation in WebGL
Inappropriate implementation in WebGL. Red Hat rates this important (CVSS 6.5). Weakness: CWE-346. 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-2026-9935] Uninitialized Use in ANGLE
Uninitialized Use in ANGLE. Red Hat rates this important (CVSS 6.5). Weakness: CWE-824. 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-2026-9911] Integer overflow in ANGLE
Integer overflow in ANGLE. Red Hat rates this important (CVSS 6.5). 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.
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