Red Hat Linux Security Advisories & Vulnerabilities
16038 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.
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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
Medium [CVE-2026-6763] Mitigation bypass in the File Handling component
Mitigation bypass in the File Handling component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-66. 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.
Medium [CVE-2026-6762] Spoofing issue in the DOM: Core & HTML component
Spoofing issue in the DOM: Core & HTML component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-1021. 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.
Medium [CVE-2026-6761] Privilege escalation in the Networking component
Privilege escalation in the Networking component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-266. 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.
Medium [CVE-2026-6759] Use-after-free in the Widget: Cocoa component
Use-after-free in the Widget: Cocoa component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-825. 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.
Medium [CVE-2026-6757] Invalid pointer in the JavaScript: WebAssembly component
Invalid pointer in the JavaScript: WebAssembly component. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-823. 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.
Medium [CVE-2026-22004] InnoDB unspecified vulnerability (CPU Apr 2026)
InnoDB unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.9). 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.
Medium [CVE-2026-34271] 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-772. 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-2026-22009] Optimizer unspecified vulnerability (CPU Apr 2026)
Optimizer 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.
Medium [CVE-2026-21998] Optimizer unspecified vulnerability (CPU Apr 2026)
Optimizer unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.9). 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.
Medium [CVE-2026-35239] DML unspecified vulnerability (CPU Apr 2026)
DML unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.9). Weakness: CWE-772. 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-2026-34308] JSON unspecified vulnerability (CPU Apr 2026)
JSON 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.
Medium [CVE-2026-34293] DML unspecified vulnerability (CPU Apr 2026)
DML unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.9). Weakness: CWE-770. Affected package(s): mysql, 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.
Medium [CVE-2026-34267] Optimizer unspecified vulnerability (CPU Apr 2026)
Optimizer unspecified vulnerability (CPU Apr 2026). Red Hat rates this moderate (CVSS 4.9). Weakness: CWE-770. Affected package(s): mysql, 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.
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.
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