Vulnerability · NVD

CVE-2025-10859

CVE-2025-10859, medium severity (CVSS 4.0): 1 tracked app concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 4.0
Exploitation: -
Tracked apps: 1
Still exposed: 0

Published on 2025-09-30

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.

Attack vector : Local No privileges required No user interaction

Show raw CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Firefox iOS org.mozilla.ios.Firefox

Affected <143.1.0 Fixed in 143.1.0 Latest tracked 156.1 patched

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox iOS	iOS	<143.1.0	cpe:2.3:a:mozilla:firefox::::::iphone_os::*

View on NVD ↗ Advisory · www.mozilla.org

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