CVE-2025-0241

high

Description

When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.

References

https://www.mozilla.org/security/advisories/mfsa2025-05/

https://www.mozilla.org/security/advisories/mfsa2025-04/

https://www.mozilla.org/security/advisories/mfsa2025-02/

https://www.mozilla.org/security/advisories/mfsa2025-01/

https://lists.debian.org/debian-lts-announce/2025/01/msg00004.html

https://bugzilla.mozilla.org/show_bug.cgi?id=1933023

Details

Source: Mitre, NVD

Published: 2025-01-07

Updated: 2025-11-03

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: 7.7

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