Red Hat Linux Red Hat Enterprise Linux Vulnerabilities & Security Advisories
1310 advisories tracked · Red Hat Security Data API · 3 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Red Hat Linux advisory that VulniPulse classified as Red Hat Enterprise Linux, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 31 critical, 821 high, 437 medium, 17 low.
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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 Red Hat Enterprise Linux advisories
High [CVE-2026-2773] Incorrect boundary conditions in the Web Audio component
Incorrect boundary conditions in the Web Audio component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2772] Use-after-free in the Audio/Video: Playback component
Use-after-free in the Audio/Video: Playback component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2771] Undefined behavior in the DOM: Core & HTML component
Undefined behavior in the DOM: Core & HTML component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2770] Use-after-free in the DOM: Bindings (WebIDL) component
Use-after-free in the DOM: Bindings (WebIDL) component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2769] Use-after-free in the Storage: IndexedDB component
Use-after-free in the Storage: IndexedDB component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2768] Sandbox escape in the Storage: IndexedDB component
Sandbox escape in the Storage: IndexedDB component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2767] Use-after-free in the JavaScript: WebAssembly component
Use-after-free in the JavaScript: WebAssembly component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2766] Use-after-free in the JavaScript Engine: JIT component
Use-after-free in the JavaScript Engine: JIT component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2764] JIT miscompilation, use-after-free in the JavaScript Engine: JIT component
JIT miscompilation, use-after-free in the JavaScript Engine: JIT component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2765] Use-after-free in the JavaScript Engine component
Use-after-free in the JavaScript Engine component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2762] Integer overflow in the JavaScript: Standard Library component
Integer overflow in the JavaScript: Standard Library component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2761] Sandbox escape in the Graphics: WebRender component
Sandbox escape in the Graphics: WebRender component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2760] Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2759] Incorrect boundary conditions in the Graphics: ImageLib component
Incorrect boundary conditions in the Graphics: ImageLib component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2758] Use-after-free in the JavaScript: GC component
Use-after-free in the JavaScript: GC component. Red Hat rates this important (CVSS 7.5). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-2757] Incorrect boundary conditions in the WebRTC: Audio/Video component
Incorrect boundary conditions in the WebRTC: Audio/Video component. Red Hat rates this important (CVSS 7.1). Affected package(s): thunderbird, firefox. Resolved in Red Hat advisory RHSA-2026:3984 — 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 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; and 10 more.
High [CVE-2026-25985] Memory allocation with excessive without limits in the internal SVG decoder
Memory allocation with excessive without limits in the internal SVG decoder. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:5573 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support.
High [CVE-2026-25965] Local File Disclosure via Path Traversal
Local File Disclosure via Path Traversal. Red Hat rates this important (CVSS 8.6). Weakness: CWE-22. Affected package(s): ImageMagick. Resolved in Red Hat advisory RHSA-2026:5573 — update the affected packages (`sudo dnf update`). Affected product named by the advisory: Red Hat Enterprise Linux 7 Extended Lifecycle Support.
High [CVE-2026-21863] Denial of Service via invalid clusterbus packet
Denial of Service via invalid clusterbus packet. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. Affected package(s): valkey, valkey-main. Resolved in Red Hat advisory RHSA-2026:3507 — 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 9; Red Hat Hardened Images.
High [CVE-2025-67733] Data tampering and denial of service via improper null character handling in Lua scripts
Data tampering and denial of service via improper null character handling in Lua scripts. Red Hat rates this important (CVSS 7.1). Weakness: CWE-170. Affected package(s): valkey. Resolved in Red Hat advisory RHSA-2026:3507 — 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 9.