Required CVE Record Information
Description
Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 128.5, and Thunderbird 128.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
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
Credits
- Andrew Osmond and the Mozilla Fuzzing Team
References 5 Total
- bugzilla.mozilla.org: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6
- https://www.mozilla.org/security/advisories/mfsa2025-01/
- https://www.mozilla.org/security/advisories/mfsa2025-02/
- https://www.mozilla.org/security/advisories/mfsa2025-04/
- https://www.mozilla.org/security/advisories/mfsa2025-05/