CVE-2021-43533
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mozilla Firefox
PublishedDec 8, 2021
First seenDec 8, 2021
How to fix
Update
- mozilla firefox94.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 94.0 | 94.0 |
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