Mozilla Firefox ESR and 1 other: When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped,…
CVE-2021-43533 is fixed in Mozilla Firefox ESR (en-US) on 1 platform by Mozilla Firefox ESR (en-US) 102.0 (version 102.0), released June 23, 2022. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Mozilla Firefox ESR (en-US) | 102.0 | Mozilla Firefox ESR (en-US) 102.0 | Jun 23, 2022 |
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