CVE-2025-13027

high

Description

Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 < 145.

References

https://www.mozilla.org/security/advisories/mfsa2025-87/

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1987237%2C1990079%2C1991715%2C1994994

Details

Source: Mitre, NVD

Published: 2025-11-11

Updated: 2025-11-11

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H