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CVE-2023-6867

Published: Dec 19, 2023

Modified: Feb 13, 2025

PUBLISHED

Description

The timing of a button click causing a popup to disappear was approximately the same length as 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 ESR < 115.6 and Firefox < 121.

Vendor	Product	Versions
Mozilla	Firefox ESR	affected `unspecified - < 115.6`
Mozilla	Firefox	affected `unspecified - < 121`

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1863863

https://www.mozilla.org/security/advisories/mfsa2023-54/

https://www.mozilla.org/security/advisories/mfsa2023-56/

https://www.debian.org/security/2023/dsa-5581

https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html

https://security.gentoo.org/glsa/202401-10

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