CVE-2025-0242 Information

Description

Memory safety bugs present in Firefox 133 Thunderbird 133 Firefox ESR 115.18 Firefox ESR 128.5 Thunderbird 115.18 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 and Firefox ESR < 115.19.

Reference

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1874523%2C1926454%2C1931873%2C1932169 https://www.mozilla.org/security/advisories/mfsa2025-01/ https://www.mozilla.org/security/advisories/mfsa2025-02/ https://www.mozilla.org/security/advisories/mfsa2025-03/