openSUSE-SU-2026:20041-1

Einstufung nach Quelle

Keine Quelle nennt einen CVSS-Wert.

Trivys eigenes Label ist CRITICAL. Kritisch laut SUSE.

Beschreibung

This update for MozillaFirefox fixes the following issues: Update to Firefox Extended Support Release 140.7.0 ESR (bsc#1256340). - MFSA 2026-03 (bsc#1256340) * CVE-2026-0877: Mitigation bypass in the DOM: Security component * CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component * CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component * CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics component * CVE-2026-0882: Use-after-free in the IPC component * CVE-2025-14327: Spoofing issue in the Downloads Panel component * CVE-2026-0883: Information disclosure in the Networking component * CVE-2026-0884: Use-after-free in the JavaScript Engine component * CVE-2026-0885: Use-after-free in the JavaScript: GC component * CVE-2026-0886: Incorrect boundary conditions in the Graphics component * CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer component * CVE-2026-0890: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component * CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147

Betroffene Pakete und behobene Versionen

Referenzen

• https://bugzilla.suse.com/1256340
• https://www.suse.com/security/cve/CVE-2025-14327/
• https://www.suse.com/security/cve/CVE-2026-0877/
• https://www.suse.com/security/cve/CVE-2026-0878/
• https://www.suse.com/security/cve/CVE-2026-0879/
• https://www.suse.com/security/cve/CVE-2026-0880/
• https://www.suse.com/security/cve/CVE-2026-0882/
• https://www.suse.com/security/cve/CVE-2026-0883/