Vulnerabilities > CVE-2021-38498 - Use After Free vulnerability in Mozilla Firefox

047910
CVSS 5.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
low complexity
mozilla
CWE-416

Summary

During process shutdown, a document could have caused a use-after-free of a languages service object, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

Vulnerable Configurations

Part Description Count
Application
Mozilla
1138

Common Weakness Enumeration (CWE)