CVE-2025-3032CWE-403

CVE-2025-3032

High · published April 1, 2025

CVSS v3.1
7.4
EPSS
0%
Percentile
32.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00394 · 32.5th percentile
Weakness
CWE-403 · Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')
Published
2025-04-01T17:15Z
Affected products (2)
ProductVersionsFixed in
mozilla/firefox< 137.0137.0
mozilla/thunderbird< 137.0137.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-20/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-23/ · [email protected]
EPSS history
Timeline
  • 01 APR 12:29Z
    Leaking file descriptors from the fork server
    cvelistv5