CVE-2023-4874

Undefined Behavior for Input to API in Mutt

Description

Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12

Remediation

Solution:

  • Upgrade to version 2.2.12

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.08%
Vendor Advisory gitlab.com Vendor Advisory gitlab.com
Affected: Mutt Mutt
Published at:
Updated at:

References

Link Tags
https://gitlab.com/muttmua/mutt/-/commit/452ee330e094bfc7c9a68555e5152b1826534555.patch vendor advisory
https://gitlab.com/muttmua/mutt/-/commit/a4752eb0ae0a521eec02e59e51ae5daedf74fda0.patch vendor advisory
http://www.openwall.com/lists/oss-security/2023/09/26/6
https://lists.debian.org/debian-lts-announce/2023/09/msg00021.html
https://www.debian.org/security/2023/dsa-5494

Frequently Asked Questions

What is the severity of CVE-2023-4874?
CVE-2023-4874 has been scored as a medium severity vulnerability.
How to fix CVE-2023-4874?
To fix CVE-2023-4874: Upgrade to version 2.2.12
Is CVE-2023-4874 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-4874 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4874?
CVE-2023-4874 affects Mutt Mutt.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.