Vulnerabilities > CVE-2025-1012 - Use After Free vulnerability in Mozilla Firefox

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
HIGH
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
high complexity
mozilla
CWE-416

Summary

A race during concurrent delazification could have led to a use-after-free. This vulnerability affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird < 135.

Vulnerable Configurations

Part Description Count
Application
Mozilla
402

Common Weakness Enumeration (CWE)