Security update for MozillaFirefox
This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 140.3.0 ESR (bsc#1249391). MFSA 2025-75: * CVE-2025-10527 (bmo#1984825) Sandbox escape due to use-after-free in the Graphics: Canvas2D component * CVE-2025-10528 (bmo#1986185) Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component * CVE-2025-10529 (bmo#1970490) Same-origin policy bypass in the Layout component * CVE-2025-10532 (bmo#1979502) Incorrect boundary conditions in the JavaScript: GC component * CVE-2025-10533 (bmo#1980788) Integer overflow in the SVG component * CVE-2025-10536 (bmo#1981502) Information disclosure in the Networking: Cache component * CVE-2025-10537 (bmo#1938220, bmo#1980730, bmo#1981280, bmo#1981283, bmo#1984505, bmo#1985067) Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for MozillaFirefox fixes the following issues: Firefox Extended Support Release 140.3.0 ESR (bsc#1249391). MFSA 2025-75: * CVE-2025-10527 (bmo#1984825) Sandbox escape due to use-after-free in the Graphics: Canvas2D component * CVE-2025-10528 (bmo#1986185) Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component * CVE-2025-10529 (bmo#1970490) Same-origin policy bypass in the Layout component * CVE-2025-10532 (bmo#1979502) Incorrect boundary conditions in the JavaScript: GC component * CVE-2025-10533 (bmo#1980788) Integer overflow in the SVG component * CVE-2025-10536 (bmo#1981502) Information disclosure in the Networking: Cache component * CVE-2025-10537 (bmo#1938220, bmo#1980730, bmo#1981280, bmo#1981283, bmo#1984505, bmo#1985067) Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1249391
- https://www.suse.com/security/cve/CVE-2025-10527
- https://www.suse.com/security/cve/CVE-2025-10528
- https://www.suse.com/security/cve/CVE-2025-10529
- https://www.suse.com/security/cve/CVE-2025-10532
- https://www.suse.com/security/cve/CVE-2025-10533
- https://www.suse.com/security/cve/CVE-2025-10536
- https://www.suse.com/security/cve/CVE-2025-10537
- https://www.suse.com/support/update/announcement/2025/suse-su-202503291-1/