CVE-2025-3032

high

Description

Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. 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/show_bug.cgi?id=1949987

Details

Source: Mitre, NVD

Published: 2025-04-01

Updated: 2025-04-07

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: 7.4

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