Required CVE Record Information
Description
A race during concurrent delazification could have led to a use-after-free. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.
Product Status
Learn moreVersions 1 Total
Default Status: unknown
affected
Versions 1 Total
Default Status: unknown
affected
Versions 1 Total
Default Status: unknown
affected
Versions 1 Total
Default Status: unknown
affected
Versions 1 Total
Default Status: unknown
affected
Credits
- Nils Bars
References 6 Total
- https://bugzilla.mozilla.org/show_bug.cgi?id=1939710
- https://www.mozilla.org/security/advisories/mfsa2025-07/
- https://www.mozilla.org/security/advisories/mfsa2025-08/
- https://www.mozilla.org/security/advisories/mfsa2025-09/
- https://www.mozilla.org/security/advisories/mfsa2025-10/
- https://www.mozilla.org/security/advisories/mfsa2025-11/