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 was fixed in Firefox 137 and Thunderbird 137.

References

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

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

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-9298

https://bugzilla.mozilla.org/show_bug.cgi?id=1949987

Details

Source: Mitre, NVD

Published: 2025-04-01

Updated: 2026-09-30

Named Vulnerability: GHSA-h3xj-xc3c-cvpm

Risk Information

CVSS v2

Base Score: 7.1

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

Severity: High

CVSS v3

Base Score: 7.4

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