Vulnerabilities > CVE-2020-26960 - Use After Free vulnerability in Mozilla Firefox

047910
CVSS 9.3 - CRITICAL
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
mozilla
CWE-416
critical

Summary

If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Vulnerable Configurations

Part Description Count
Application
Mozilla
1079

Common Weakness Enumeration (CWE)