CVE-2025-10859 (GCVE-0-2025-10859)
Vulnerability from cvelistv5
Published
2025-09-30 12:49
Modified
2025-09-30 13:38
Severity ?
4.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • Data stored in cookies for non-HTML content while browsing Incognito could be viewed after closing private tabs
Summary
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.
References
security@mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1684624
security@mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2025-79/
Impacted products
Vendor Product Version
Mozilla Firefox for iOS Version: unspecified   < 143.1
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