openSUSE-SU-2026:20041-1

openSUSE-SU-2026:20041-1 · Security update for MozillaFirefox

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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

Korrektur verfügbar

Veröffentlicht

2026-01-15T16:28:43Z

Aktualisiert

2026-03-23T04:54:42.102254Z

Technologie-Stack: system

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