Security Advisory

CVE-2021-43533

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-12-08 21:20:47

Last updated 2024-08-04 03:55:29

Assigner mozilla

State PUBLISHED

Description

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.

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