It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an incorrect timestamp used to prevent input after page load. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-0742
• https://bugzilla.mozilla.org/show_bug.cgi?id=1867152
• https://www.mozilla.org/security/advisories/mfsa2024-01/
• https://www.mozilla.org/security/advisories/mfsa2024-02/
• https://www.mozilla.org/security/advisories/mfsa2024-04/
• https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html
• https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html