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 was fixed in Firefox for iOS 143.1.

INFO

Published Date :

2025-09-30T12:49:07.059Z

Last Modified :

2026-04-13T14:31:38.944Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-10859 vulnerability.

Vendors Products
Apple
  • Ios
Mozilla
  • Firefox
  • Firefox For Ios
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-10859.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1684624 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-79/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact