Red Hat Linux Security Advisories & CVEs
3066 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 Red Hat 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 Red Hat advisories
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-2026-26331] Arbitrary command injection via maliciously crafted URL when --netrc-cmd is used
Arbitrary command injection via maliciously crafted URL when --netrc-cmd is used. Red Hat rates this important (CVSS 8.8). Weakness: CWE-78. 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-2026-25985] 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-2026-25794] Denial of service and potential arbitrary code execution via integer overflow in image processing
Denial of service and potential arbitrary code execution via integer overflow in image processing. Red Hat rates this important (CVSS 8.2). 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.
High [CVE-2026-27623] Denial of Service via specially crafted network requests
Denial of Service via specially crafted network requests. Red Hat rates this important (CVSS 7.5). Weakness: CWE-617. 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-2026-21863] 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.
High [CVE-2026-25747] Arbitrary code execution via deserialization of untrusted data
Arbitrary code execution via deserialization of untrusted data. Red Hat rates this important (CVSS 7.8). Weakness: CWE-502. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released. Affected products named by the advisory: Red Hat build of Apache Camel for Spring Boot 4; Red Hat Fuse 7; Red Hat JBoss Enterprise Application Platform Expansion Pack.
High [CVE-2025-14905] Remote Code Execution and Denial of Service via heap buffer overflow
Remote Code Execution and Denial of Service via heap buffer overflow. Red Hat rates this moderate (CVSS 7.2). Weakness: CWE-122. Affected package(s): 389-ds-base, 389-ds:1.4, redhat-ds:11, dirsrv/dirsrv-container-rhel10:1772040913, redhat-ds:12. Resolved in Red Hat advisory RHSA-2026:3379 — update the affected packages (`sudo dnf update`). Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 1.
High [CVE-2026-3062] Out of bounds read and write in Tint
Out of bounds read and write in Tint. Red Hat rates this important (CVSS 8.8). 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.