CVE-2026-2758

Use-after-free in the JavaScript: GC component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8...

Security update for MozillaFirefox

This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 140.3.0 ESR bsc1249391. MFSA 2025-75: CVE-2025-10527 bmo1984825 Sandbox escape due to use-after-free in the Graphics: Canvas2D component CVE-2025-10528 bmo1986185 Sandbox escape due to undefined behavior,...