CVE-2024-0742

Name: CVE-2024-0742
Creator: NVD / NIST
Published: 2024-01-23T14:15:38.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2024-0742 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Probability

0.60%

44.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 122.0
Mozilla	Firefox Esr	< 115.7
Mozilla	Thunderbird	< 115.7
Debian	Debian Linux	10.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1867152Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.htmlMailing List, Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-04/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1867152Issue Tracking, Permissions Required
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.htmlMailing List, Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2024-01/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-04/Vendor Advisory

Timeline

Published: Jan 23, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-0742?

How severe is CVE-2024-0742?

CVE-2024-0742 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2024-0742?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-0742?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST