CVE-2025-3032

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

7.4 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-20/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-23/ Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
History

07 Apr 2025, 13:31

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1949987 - Issue Tracking, Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2025-20/ - () https://www.mozilla.org/security/advisories/mfsa2025-20/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-23/ - () https://www.mozilla.org/security/advisories/mfsa2025-23/ - Vendor Advisory
Summary
  • (es) La filtración de descriptores de archivos del servidor de bifurcación a los procesos de contenido web podría permitir ataques de escalada de privilegios. Esta vulnerabilidad afecta a Firefox (versión anterior a la 137) y Thunderbird (versión anterior a la 137).
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
First Time Mozilla firefox
Mozilla thunderbird
Mozilla

01 Apr 2025, 19:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.4
CWE CWE-403

01 Apr 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 13:15

Updated : 2025-04-07 13:31

NVD link : CVE-2025-3032

Mitre link : CVE-2025-3032

CVE.ORG link : CVE-2025-3032

JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
CWE
CWE-403

Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')