CVE ID:	CVE-2023-6206
Description:	The black fade animation when exiting fullscreen is roughly the length of the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox < 120, Firefox ESR < 115.5.0, and Thunderbird < 115.5.
Test IDs:	1.3.6.1.4.1.25623.1.1.4.2023.4928.1   1.3.6.1.4.1.25623.1.0.833487   1.3.6.1.4.1.25623.1.1.4.2023.4912.1   1.3.6.1.4.1.25623.1.1.4.2023.4929.1
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2023-6206 Debian Security Information: DSA-5561 (Google Search) https://www.debian.org/security/2023/dsa-5561 https://bugzilla.mozilla.org/show_bug.cgi?id=1857430 https://bugzilla.mozilla.org/show_bug.cgi?id=1857430 https://www.mozilla.org/security/advisories/mfsa2023-49/ https://www.mozilla.org/security/advisories/mfsa2023-49/ https://www.mozilla.org/security/advisories/mfsa2023-50/ https://www.mozilla.org/security/advisories/mfsa2023-50/ https://www.mozilla.org/security/advisories/mfsa2023-52/ https://www.mozilla.org/security/advisories/mfsa2023-52/ https://lists.debian.org/debian-lts-announce/2023/11/msg00017.html https://lists.debian.org/debian-lts-announce/2023/11/msg00030.html