UBUNTU-CVE-2021-43533
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-43533
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2021-43533, https://www.mozilla.org/en-US/security/advisories/mfsa2021-48/#CVE-2021-43533, https://bugzilla.mozilla.org/show_bug.cgi?id=1724233, https://www.mozilla.org/security/advisories/mfsa2021-48/, https://www.cve.org/CVERecord?id=CVE-2021-43533
Affected packages
Package
Name: firefox
Purl: pkg:deb/ubuntu/[email protected]+build3-0ubuntu0.18.04.1?arch=source&distro=bionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -94.0+build3-0ubuntu0.18.04.1
Affected versions
56.0+build6-0ubuntu1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
