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CVE-2017-7817

CVE-2017-7817

EPSS 1.2%
A spoofing vulnerability can occur when a page switches to fullscreen mode without user notification, allowing a fake address bar to be displayed. This allows an attacker to spoof which page is actually loaded and in use. Note: This attack only affects Firefox for Android. Other operating systems are not affected. This vulnerability affects Firefox < 56.
Affected products
Mozilla · Firefox

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References
https://bugzilla.mozilla.org/show_bug.cgi?id=1356596https://www.mozilla.org/security/advisories/mfsa2017-21/http://www.securityfocus.com/bid/101057http://www.securitytracker.com/id/1039465