Incorrect origin serialization of URLs with IPv6 addresses could lead to incorrect security checks. This vulnerability affects Firefox < 76. Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12390 Reference (s):
- https://bugzilla.mozilla.org/show_bug.cgi?id=1141959
- https://www.mozilla.org/security/advisories/mfsa2020-16/