CVE-2025-1934 Information

Description

It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript potentially triggering garbage collection when the engine was not expecting it. This vulnerability affects Firefox < 136 Firefox ESR < 128.8 Thunderbird < 136 and Thunderbird < 128.8.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1942881 https://www.mozilla.org/security/advisories/mfsa2025-14/ https://www.mozilla.org/security/advisories/mfsa2025-16/ https://www.mozilla.org/security/advisories/mfsa2025-17/ https://www.mozilla.org/security/advisories/mfsa2025-18/