vulnerability
MFSA2021-48 Firefox: Security Vulnerabilities fixed in Firefox 94 (CVE-2021-43533)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Nov 2, 2021 | Dec 8, 2021 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Nov 2, 2021
Added
Dec 8, 2021
Modified
Mar 27, 2026
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.
Solution
mozilla-firefox-upgrade-94_0
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