CVE-2025-3034

high

Description

Memory safety bugs present in Firefox 136 and Thunderbird 136. 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 < 137 and Thunderbird < 137.

References

https://www.mozilla.org/security/advisories/mfsa2025-23/

https://www.mozilla.org/security/advisories/mfsa2025-20/

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1894100%2C1934086%2C1950360

Details

Source: Mitre, NVD

Published: 2025-04-01

Updated: 2025-04-02

Risk Information

CVSS v2

Base Score: 6.8

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

Severity: Medium

CVSS v3

Base Score: 8.1

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

Severity: High