CVE-2025-1934

medium

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 was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

References

https://www.mozilla.org/security/advisories/mfsa2025-18/

https://www.mozilla.org/security/advisories/mfsa2025-17/

https://www.mozilla.org/security/advisories/mfsa2025-16/

https://www.mozilla.org/security/advisories/mfsa2025-14/

https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1942881

Details

Source: Mitre, NVD

Published: 2025-03-04

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00175