CVE-2024-3864

Public Exploit

Description

Memory safety bug present in Firefox 124, Firefox ESR 115.9, and Thunderbird 115.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.02% Top 25%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1888333 vendor advisory issue tracking exploit
https://lists.debian.org/debian-lts-announce/2024/04/msg00012.html mailing list
https://lists.debian.org/debian-lts-announce/2024/04/msg00013.html mailing list
https://www.mozilla.org/security/advisories/mfsa2024-18/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2024-19/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2024-20/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2024-3864?
CVE-2024-3864 has been scored as a high severity vulnerability.
How to fix CVE-2024-3864?
To fix CVE-2024-3864, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-3864 being actively exploited in the wild?
It is possible that CVE-2024-3864 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-3864?
CVE-2024-3864 affects Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird.
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