Vulnerability 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 Score
7.4
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 137.0 |
| Mozilla | Thunderbird | < 137.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1949987Issue TrackingPermissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-20/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-23/Vendor Advisory
FAQ
What is CVE-2025-3032?
CVE-2025-3032 is a vulnerability with a CVSS score of 7.4 (HIGH). 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.
How severe is CVE-2025-3032?
CVE-2025-3032 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-3032?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Thunderbird.