CVE-2024-4767

Name: CVE-2024-4767
Creator: NVD / NIST
Published: 2024-05-14T18:15:13.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2024-4767 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

If the `browser.privatebrowsing.autostart` preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.49%

38.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 115.11.0
Mozilla	Firefox	< 126.0
Mozilla	Thunderbird	< 115.11.0
Debian	Debian Linux	10.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1878577Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1878577Exploit, Issue Tracking, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/05/msg00010.htmlMailing List
https://lists.debian.org/debian-lts-announce/2024/05/msg00012.htmlMailing List
https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-22/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2024-23/Vendor Advisory

Timeline

Published: May 14, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-4767?

How severe is CVE-2024-4767?

CVE-2024-4767 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2024-4767?

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-2024-4767?

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

Scan your code now

Source: NVD / NIST