# CVE-2023-4874

## Summary

- **CVE ID:** CVE-2023-4874
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
- **CWE:** CWE-475
- **Published:** Sep 9, 2023
- **Last Modified:** Jul 25, 2026

## Description

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

## Affected Products

- Mutt — Mutt (1.5.2)

## References

- [CNA](https://gitlab.com/muttmua/mutt/-/commit/452ee330e094bfc7c9a68555e5152b1826534555.patch)
- [CNA](https://gitlab.com/muttmua/mutt/-/commit/a4752eb0ae0a521eec02e59e51ae5daedf74fda0.patch)
- [CVE](https://www.debian.org/security/2023/dsa-5494)
- [CVE](https://lists.debian.org/debian-lts-announce/2023/09/msg00021.html)
- [CVE](http://www.openwall.com/lists/oss-security/2023/09/26/6)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.08%
- **EPSS Percentile:** 23.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._