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High [CVE-2026-74946] Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component
Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74949] Privilege escalation due to use-after-free in the Graphics: Canvas2D component
Privilege escalation due to use-after-free in the Graphics: Canvas2D component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74943] Use-after-free in the Graphics: ImageLib component
Use-after-free in the Graphics: ImageLib component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74942] Privilege escalation in the Remote Settings Client component
Privilege escalation in the Remote Settings Client component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-266. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74944] Use-after-free in the DOM: Core & HTML component
Use-after-free in the DOM: Core & HTML component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74945] Information disclosure in the Graphics: Text component
Information disclosure in the Graphics: Text component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-201. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74941] Privilege escalation in the Graphics: CanvasWebGL component
Privilege escalation in the Graphics: CanvasWebGL component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-266. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74940] Use-after-free in the Graphics: Text component
Use-after-free in the Graphics: Text component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74939] Privilege escalation in the DOM: Navigation component
Privilege escalation in the DOM: Navigation component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-266. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74934] Site isolation issue in the Graphics: CanvasWebGL component
Site isolation issue in the Graphics: CanvasWebGL component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-653. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74936] Use-after-free in the JavaScript: WebAssembly component
Use-after-free in the JavaScript: WebAssembly component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-74935] Privilege escalation in the DOM: Networking component
Privilege escalation in the DOM: Networking component. Red Hat rates this important (CVSS 7.5). Weakness: CWE-266. Red Hat lists fixing advisory RHSA-2026:58897 with package firefox-0:140.14.0-1.el10_2, firefox-0:140.14.0-1.el8_10, firefox-0:140.14.0-1.el9_8. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
High [CVE-2026-75838] Cross-Site Scripting via IN_PLACE sanitization
Cross-Site Scripting via IN_PLACE sanitization. Red Hat rates this important (CVSS 7.3). Weakness: CWE-79. Affected products named by the advisory: Migration Toolkit for Virtualization; Multicluster Engine for Kubernetes; Node HealthCheck Operator; OpenShift Service Mesh 3; and 15 more. Affected products named by the advisory: Red Hat 3scale API Management Platform 2; Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat Advanced Cluster Security 4; Red Hat Ansible Automation Platform 2; and 11 more.
High [CVE-2026-70906] Improve font loading (2026-08 Security Update)
Improve font loading (2026-08 Security Update). Red Hat rates this moderate (CVSS 7.5). Red Hat lists fixing advisory RHSA-2026:55799 with package java-25-openjdk-portable, java-25-openjdk-1:25.0.4.1.1-1.1.el9, java-25-openjdk-windows, java-25-openjdk-main-25.0.4.1.1-1.1.hum1. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.
Medium [CVE-2026-71084] Denial of Service via unauthenticated local access
Denial of Service via unauthenticated local access. Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat package: mysql-connector-odbc.
Medium [CVE-2026-71079] Denial of Service via network access by a low privileged attacker
Denial of Service via network access by a low privileged attacker. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-770. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat package: mysql-connector-odbc.
Medium [CVE-2026-76042] Information disclosure via uninitialized resource in GPU
Information disclosure via uninitialized resource in GPU. Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-824.
Medium [CVE-2026-16732] Request spoofing via numeric trustProxy configuration
Request spoofing via numeric trustProxy configuration. Red Hat rates this moderate (CVSS 6.1). Weakness: CWE-501. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI); Red Hat OpenShift Dev Spaces.
Medium [CVE-2026-18504] Schema validation bypass via root primitive coercion mismatch
Schema validation bypass via root primitive coercion mismatch. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-843. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI); Red Hat OpenShift Dev Spaces.
Medium [CVE-2026-49452] CSS Injection via Presentational Hints
CSS Injection via Presentational Hints. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-79.