← back
CVE-2021-43533

CVE-2021-43533

EPSS 0.5%
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
Mozilla · Firefox

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1724233https://www.mozilla.org/security/advisories/mfsa2021-48/