CVE-2025-3032

HIGH EPSS 26.8%
Published Apr 1, 20251y ago · Modified Jun 17, 20261w ago
7.4 CVSS 3.1
High
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Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.4
Exploitability
2.2
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
26.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-403

Affected Products 2

VendorProductVersionRange
mozillafirefox* <137.0
mozillathunderbird* <137.0

References 3

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=1949987
    Issue TrackingPermissions Required
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-20/
    Vendor Advisory
  • mozilla.org https://www.mozilla.org/security/advisories/mfsa2025-23/
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.