Vulnerabilities > CVE-2021-43533 - Unspecified vulnerability in Mozilla Firefox

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
LOW
Availability impact
NONE
network
low complexity
mozilla

Summary

When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to user confusion or attacks such as phishing. This vulnerability affects Firefox < 94.

Vulnerable Configurations

Part Description Count
Application
Mozilla
748