Vulnerability Monitor

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CVE-2025-3032

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.

Published

2025-04-01T13:15:41.587

Last Modified

2025-04-07T13:31:04.710

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.4 (HIGH)

Weaknesses

Type: Secondary
CWE-403

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 137.0	Yes
Application	mozilla	thunderbird	< 137.0	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 Issue Tracking, Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-20/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-23/ Vendor Advisory ([email protected])