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

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
low complexity
mozilla
CWE-416
NVD
Published: 2021-11-03
Updated: 2021-11-04

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
1356

Common Weakness Enumeration (CWE)

References