Description
Cookie storage for non-HTML temporary documents was being shared incorrectly with normal browsing content, allowing information from private tabs to escape Incognito mode even after the user closed all tabs This vulnerability affects Firefox for iOS < 143.1.
Problem types
Data stored in cookies for non-HTML content while browsing Incognito could be viewed after closing private tabs
Product status
Credits
Muneaki Nishimura
References
bugzilla.mozilla.org/show_bug.cgi?id=1684624
www.mozilla.org/security/advisories/mfsa2025-79/
