CVE-2025-1934

Published: Mar 4, 2025Modified: Apr 13, 2026

6.5

Vector

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

Exploitability: 2.8 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (4)

Products: Mozilla: Firefox, Thunderbird

2 products

Configuration A

4 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 136.0
Mozilla Firefox	Before 128.8.0
Mozilla Thunderbird	Before 128.8.0
Mozilla Thunderbird	From 129.0 to 136.0

References (6)

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

Source: security@mozilla.org

Issue TrackingPermissions Required

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

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

Source: security@mozilla.org

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.