Red Hat Linux Security Advisories & CVEs
5204 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
Medium [CVE-2026-22015] Information Schema unspecified vulnerability (CPU Apr 2026)
Information Schema unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-201. Affected package(s): mysql:8.4, mysql, mysql8.4, mysql:8.0. Resolved in Red Hat advisory RHSA-2026:25919 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Medium [CVE-2026-34276] Group Replication Plugin unspecified vulnerability (CPU Apr 2026)
Group Replication Plugin unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-770. Affected package(s): mysql:8.4, mysql, mysql8.4, mysql:8.0. Resolved in Red Hat advisory RHSA-2026:25919 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Low [CVE-2026-22008] Improved Arena allocations (Oracle CPU 2026-04)
Improved Arena allocations (Oracle CPU 2026-04). Red Hat rates this low (CVSS 3.7). Weakness: CWE-122. Affected package(s): java. Resolved in Red Hat advisory RHSA-2026:9694 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 9.
Low [CVE-2026-22007] Enhance crypto algorithm support (Oracle CPU 2026-04)
Enhance crypto algorithm support (Oracle CPU 2026-04). Red Hat rates this low (CVSS 2.9). Weakness: CWE-327. Affected package(s): java. Resolved in Red Hat advisory RHSA-2026:11829 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Low [CVE-2026-22018] Enhance Zip file reading (Oracle CPU 2026-04)
Enhance Zip file reading (Oracle CPU 2026-04). Red Hat rates this low (CVSS 3.7). Weakness: CWE-125. Affected package(s): java. Resolved in Red Hat advisory RHSA-2026:11829 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Low [CVE-2026-34268] Enhance key generation (Oracle CPU 2026-04)
Enhance key generation (Oracle CPU 2026-04). Red Hat rates this low (CVSS 2.9). Weakness: CWE-327. Affected package(s): java. Resolved in Red Hat advisory RHSA-2026:11829 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Low [CVE-2026-6776] Incorrect boundary conditions in the WebRTC: Networking component
Incorrect boundary conditions in the WebRTC: Networking component. Red Hat rates this low (CVSS 3.4). Weakness: CWE-131. Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:10757 — 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; Red Hat Enterprise Linux 7.
Low [CVE-2026-22001] Information Schema unspecified vulnerability (CPU Apr 2026)
Information Schema unspecified vulnerability (CPU Apr 2026). Red Hat rates this low (CVSS 2.7). Weakness: CWE-538. Affected package(s): mysql:8.4, mysql, mysql8.4, mysql:8.0. Resolved in Red Hat advisory RHSA-2026:25919 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
Critical [CVE-2026-41245] Arbitrary file write via path traversal when extracting crafted RAR archives.
Arbitrary file write via path traversal when extracting crafted RAR archives.. Red Hat rates this important (CVSS 9.3). Weakness: CWE-22. 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 Fuse 7.
High [CVE-2026-28684] Arbitrary file overwrite via symbolic link following
Arbitrary file overwrite via symbolic link following. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-59. Affected package(s): rhoai/odh-mlserver-rhel9:1778262856, rhoai/odh-feature-server-rhel9:1780069135, rhoai/odh-kserve-storage-initializer-rhel9:1780069127, rhoai/odh-vllm-gaudi-rhel9:1780069069, satellite/iop-host-inventory-rhel9:1780414237, rhoai/odh-vllm-gaudi-rhel9:1778600187. Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-33557] Authentication bypass via improper JWT validation
Authentication bypass via improper JWT validation. Red Hat rates this important (CVSS 8.6). Weakness: CWE-303. 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 build of Debezium 3.
High [CVE-2026-6654] Memory corruption vulnerability via Double-Free/Use-After-Free
Memory corruption vulnerability via Double-Free/Use-After-Free. Red Hat rates this important (CVSS 7.3). Weakness: CWE-1341. 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-2026-6587] vibrantlabsai RAGAS: vibrantlabsai RAGAS: Server-Side Request Forgery via retrieved_contexts argument manipulation
vibrantlabsai RAGAS: vibrantlabsai RAGAS: Server-Side Request Forgery via retrieved_contexts argument manipulation. Red Hat rates this important (CVSS 8.1). Weakness: CWE-918. 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-2026-5450] Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width
Heap Buffer Overflow in `scanf` with `%mc` format specifier and large width. Red Hat rates this moderate (CVSS 5). Weakness: CWE-131. Affected package(s): glibc, insights-proxy/insights-proxy-container-rhel9:1782890503, glibc-main. Resolved in Red Hat advisory RHSA-2026:33170 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.
Medium [CVE-2026-5928] Information disclosure or denial of service via ungetwc function with specific wide character encodings
Information disclosure or denial of service via ungetwc function with specific wide character encodings. Red Hat rates this moderate (CVSS 5). Weakness: CWE-125. Affected package(s): glibc-main. Resolved in Red Hat advisory RHSA-2026:12740 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-3219] Incorrect file installation due to improper archive handling
Incorrect file installation due to improper archive handling. Red Hat rates this moderate (CVSS 5). Weakness: CWE-1287. Affected package(s): python-pip-main. Resolved in Red Hat advisory RHSA-2026:20074 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
Medium [CVE-2026-5958] GNU sed TOCTOU race condition
GNU sed TOCTOU race condition. Red Hat rates this moderate (CVSS 6.3). Weakness: CWE-367. Affected package(s): sed-main. Resolved in Red Hat advisory RHSA-2026:10995 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux.
High [CVE-2026-41242] Arbitrary code execution via injected protobuf definition type fields
Arbitrary code execution via injected protobuf definition type fields. Red Hat rates this important (CVSS 8.8). Weakness: CWE-94. Affected package(s): rhdh/rhdh-hub-rhel9:1779841586, rhdh/rhdh-hub-rhel9:1781187342, rhoai/odh-mod-arch-model-registry-rhel9:1780467147, rhoai/odh-dashboard-rhel9:1780467029. Resolved in Red Hat advisory RHSA-2026:21338 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; and 5 more.
High [CVE-2026-40478] Server-Side Template Injection via expression execution bypass
Server-Side Template Injection via expression execution bypass. Red Hat rates this important (CVSS 8.5). Weakness: CWE-917. Affected package(s): devspaces/openvsx-rhel9:1779528224, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.28; Red Hat Fuse 7; Red Hat Single Sign-On 7.
High [CVE-2026-40477] Server-Side Template Injection via security bypass in expression execution
Server-Side Template Injection via security bypass in expression execution. Red Hat rates this important (CVSS 8.5). Weakness: CWE-917. Affected package(s): devspaces/openvsx-rhel9:1779528224, devspaces/pluginregistry-rhel9:1779359423. Resolved in Red Hat advisory RHSA-2026:21772 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat OpenShift Dev Spaces 3.28; Red Hat Fuse 7; Red Hat Single Sign-On 7.