# DSA-5494-1: mutt security update

DSA-5494-1, released September 10, 2023, fixes 1 CVE in mutt. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/dsa-5494-1
- Platform: Linux
- Released: Sep 10, 2023
- Priority: Routine (Closes CVE-2023-4874)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-4874

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [mutt](https://patchblox.com/security/data/product/linux/mutt.md) | Debian 11.6 (bullseye) | 2.0.5-4.1+deb11u3 |
| [mutt](https://patchblox.com/security/data/product/linux/mutt.md) | Debian 12.15 (bookworm) | 2.2.9-1+deb12u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-4874](https://patchblox.com/security/data/cve/CVE-2023-4874.md) | Routine | mutt: Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12 | 6.5 | 0.0085 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo