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CVE-2021-43533 When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped,…

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.

Affected products and versions

Product Affected versions Fixed in
Firefox 94 earliest → < 94 94

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The 2221 CVEs of Firefox →
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