CVE-2021-43533

When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to…

published December 8, 2021

CVSS
—
EPSS
1%
Percentile
46.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00562 · 46.0th percentile
Published
2021-12-08T21:20Z
EPSS history
Timeline
  • 08 DEC 21:20Z
    When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to…
    cvelistv5