Vulnerabilities > CVE-2021-23971 - Unspecified vulnerability in Mozilla Firefox
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
NONE Availability impact
NONE Summary
When processing a redirect with a conflicting Referrer-Policy, Firefox would have adopted the redirect's Referrer-Policy. This would have potentially resulted in more information than intended by the original origin being provided to the destination of the redirect. This vulnerability affects Firefox < 86.
Vulnerable Configurations
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1678545
- https://bugzilla.mozilla.org/show_bug.cgi?id=1678545
- https://security.gentoo.org/glsa/202104-10
- https://security.gentoo.org/glsa/202104-10
- https://www.mozilla.org/security/advisories/mfsa2021-07/
- https://www.mozilla.org/security/advisories/mfsa2021-07/