CVE-2025-4092

medium

Description

Memory safety bugs present in Firefox 137 and Thunderbird 137. 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 < 138 and Thunderbird < 138.

References

https://www.mozilla.org/security/advisories/mfsa2025-31/

https://www.mozilla.org/security/advisories/mfsa2025-28/

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1924108%2C1950780%2C1959367

Details

Source: Mitre, NVD

Published: 2025-04-29

Updated: 2025-04-29

Risk Information

CVSS v2

Base Score: 6.4

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

Severity: Medium

CVSS v3

Base Score: 6.5

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

Severity: Medium