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A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
Reserved 2023-08-01 | Published 2023-08-01 | Updated 2024-10-22 | Assigner mozillaFull screen notification obscured by external program
Umar Farooq
bugzilla.mozilla.org/show_bug.cgi?id=1839079
www.mozilla.org/security/advisories/mfsa2023-29/
www.mozilla.org/security/advisories/mfsa2023-36/
www.mozilla.org/security/advisories/mfsa2023-38/
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