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Red Hat Linux Security Advisories & Vulnerabilities

16005 advisories tracked · Red Hat Security Data API · direct feeds checked every minute; rate-limited sources checked less often

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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, 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

Medium5.3Red Hat

Medium [CVE-2026-9794] Information disclosure via SAML ECP endpoint

Information disclosure via SAML ECP endpoint. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-209. 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.

CVE-2026-9794
Unclassified
May 28, 2026
Medium6.5Red Hat

Medium [CVE-2026-9792] Security restriction bypass allows unauthorized ROPC token acquisition

Security restriction bypass allows unauthorized ROPC token acquisition. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-280. 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.

CVE-2026-9792
Unclassified
May 28, 2026
Medium4.3Red Hat

Medium [CVE-2026-9791] Organization Data Leak After Feature Disabled in Keycloak

Organization Data Leak After Feature Disabled in Keycloak. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-863. 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.

CVE-2026-9791
Unclassified
May 28, 2026
Medium5.5Vendor: LowRed Hat

Medium [CVE-2026-44605] heap buffer overflow in NDB slot table parsing

heap buffer overflow in NDB slot table parsing. Red Hat rates this low (CVSS 5.5). Weakness: CWE-190. Affected package(s): rpm-main. Resolved in Red Hat advisory RHSA-2026:33507 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 2 more.

CVE-2026-44605
Unclassified
May 28, 2026
Medium6.8Vendor: HighRed Hat

Medium [CVE-2026-46125] remove station if connection prep fails

remove station if connection prep fails. Red Hat rates this important (CVSS 6.8). Weakness: CWE-825. 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 10.0 Extended Update Support; Red Hat Enterprise Linux 8.8 Telecommunications Update Service; Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions; Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions; and 2 more.

CVE-2026-46125
Unclassified
May 28, 2026
Critical9.0Vendor: HighRed Hat

Critical [CVE-2026-9915] Heap buffer overflow in ANGLE

Heap buffer overflow in ANGLE. Red Hat rates this important (CVSS 9). Weakness: CWE-787. 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.

CVE-2026-9915
Unclassified
May 27, 2026
Critical9.8Red Hat

Critical [CVE-2026-9887] Use after free in Proxy

Use after free in Proxy. Red Hat rates this critical (CVSS 9.8). 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.

CVE-2026-9887
Unclassified
May 27, 2026
Critical9.0Red Hat

Critical [CVE-2026-9885] Insufficient validation of untrusted input in UI

Insufficient validation of untrusted input in UI. Red Hat rates this critical (CVSS 9). 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.

CVE-2026-9885
Unclassified
May 27, 2026
Critical9.6Red Hat

Critical [CVE-2026-9875] Out of bounds read in WebGL

Out of bounds read in WebGL. Red Hat rates this critical (CVSS 9.6). 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.

CVE-2026-9875
Unclassified
May 27, 2026
Critical9.6Vendor: HighRed Hat

Critical [CVE-2026-9928] Out of bounds read in ANGLE

Out of bounds read in ANGLE. Red Hat rates this important (CVSS 9.6). 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.

CVE-2026-9928
Unclassified
May 27, 2026
Critical9.0Vendor: HighRed Hat

Critical [CVE-2026-9970] Use after free in WebGL

Use after free in WebGL. Red Hat rates this important (CVSS 9). 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.

CVE-2026-9970
Unclassified
May 27, 2026
Critical9.0Vendor: HighRed Hat

Critical [CVE-2026-9932] Use after free in ANGLE

Use after free in ANGLE. Red Hat rates this important (CVSS 9). 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.

CVE-2026-9932
Unclassified
May 27, 2026
Critical9.6Vendor: HighRed Hat

Critical [CVE-2026-9904] Use after free in ANGLE

Use after free in ANGLE. Red Hat rates this important (CVSS 9.6). 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.

CVE-2026-9904
Unclassified
May 27, 2026
Critical9.6Red Hat

Critical [CVE-2026-9874] Use after free in Dawn

Use after free in Dawn. Red Hat rates this critical (CVSS 9.6). 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.

CVE-2026-9874
Unclassified
May 27, 2026
Critical9.0Vendor: HighRed Hat

Critical [CVE-2026-9922] Use after free in GPU

Use after free in GPU. Red Hat rates this important (CVSS 9). 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.

CVE-2026-9922
Unclassified
May 27, 2026
Critical9.3Vendor: HighRed Hat

Critical [CVE-2026-9951] Use after free in UI

Use after free in UI. Red Hat rates this important (CVSS 9.3). 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.

CVE-2026-9951
Unclassified
May 27, 2026
Critical9.0Vendor: HighRed Hat

Critical [CVE-2026-9905] Use after free in Accessibility

Use after free in Accessibility. Red Hat rates this important (CVSS 9). 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.

CVE-2026-9905
Unclassified
May 27, 2026
Critical9.6Red Hat

Critical [CVE-2026-9879] Out of bounds write in ANGLE

Out of bounds write in ANGLE. Red Hat rates this critical (CVSS 9.6). Weakness: CWE-787. 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.

CVE-2026-9879
Unclassified
May 27, 2026
Critical9.6Red Hat

Critical [CVE-2026-9889] Out of bounds read and write in Dawn

Out of bounds read and write in Dawn. Red Hat rates this critical (CVSS 9.6). 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.

CVE-2026-9889
Unclassified
May 27, 2026
Critical9.0Vendor: HighRed Hat

Critical [CVE-2026-9899] Use after free in ANGLE

Use after free in ANGLE. Red Hat rates this important (CVSS 9). Weakness: CWE-364. 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.

CVE-2026-9899
Unclassified
May 27, 2026

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