Vulnerability Details CVE-2025-10859
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.0%
CVSS Severity
CVSS v3 Score 4.0
References
Products affected by CVE-2025-10859
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cpe:2.3:a:mozilla:firefox:-
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cpe:2.3:a:mozilla:firefox:102.0
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cpe:2.3:a:mozilla:firefox:119.0
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cpe:2.3:a:mozilla:firefox:120.0
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cpe:2.3:a:mozilla:firefox:127.0
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cpe:2.3:a:mozilla:firefox:129
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cpe:2.3:a:mozilla:firefox:14.0
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cpe:2.3:a:mozilla:firefox:15.0
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cpe:2.3:a:mozilla:firefox:15.1
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cpe:2.3:a:mozilla:firefox:16.0
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cpe:2.3:a:mozilla:firefox:16.1
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cpe:2.3:a:mozilla:firefox:16.2
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cpe:2.3:a:mozilla:firefox:17.0
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cpe:2.3:a:mozilla:firefox:17.1
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cpe:2.3:a:mozilla:firefox:17.2
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cpe:2.3:a:mozilla:firefox:17.3
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cpe:2.3:a:mozilla:firefox:18.0
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cpe:2.3:a:mozilla:firefox:18.1
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cpe:2.3:a:mozilla:firefox:18.2
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cpe:2.3:a:mozilla:firefox:19.0
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cpe:2.3:a:mozilla:firefox:19.1
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cpe:2.3:a:mozilla:firefox:20.0
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cpe:2.3:a:mozilla:firefox:20.1
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cpe:2.3:a:mozilla:firefox:20.2
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cpe:2.3:a:mozilla:firefox:21.0
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cpe:2.3:a:mozilla:firefox:22.0
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cpe:2.3:a:mozilla:firefox:23.0
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cpe:2.3:a:mozilla:firefox:24.0
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cpe:2.3:a:mozilla:firefox:24.1
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cpe:2.3:a:mozilla:firefox:25.0
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cpe:2.3:a:mozilla:firefox:25.1
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cpe:2.3:a:mozilla:firefox:26.0
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cpe:2.3:a:mozilla:firefox:27.0
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cpe:2.3:a:mozilla:firefox:28.0