# CVE-2024-49393: neomutt: In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker...

CVE-2024-49393 is fixed in neomutt on 1 platform, first by neomutt 20191207+dfsg.1-1.1ubuntu0.1~esm1, released November 11, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-49393
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0033
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 11, 2024

## Description

In neomutt and mutt, the To and Cc email headers are not validated by cryptographic signing which allows an attacker that intercepts a message to change their value and include himself as a one of the recipients to compromise message confidentiality.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | neomutt Debian 13.5 (trixie) | 20241002+dfsg-1 | [DEBIAN-CVE-2024-49393](https://patchblox.com/security/data/fix/linux/debian-cve-2024-49393.md) | Nov 12, 2024 |
| Linux | neomutt Debian 14 | 20241002+dfsg-1 | [DEBIAN-CVE-2024-49393](https://patchblox.com/security/data/fix/linux/debian-cve-2024-49393.md) | Nov 12, 2024 |
| Linux | neomutt Ubuntu 20.04 LTS (focal) | 20191207+dfsg.1-1.1ubuntu0.1~esm1 | [neomutt 20191207+dfsg.1-1.1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-neomutt-20191207-dfsg.1-1.1ubuntu0.1-esm1.md) | Nov 11, 2024 |
| Linux | neomutt Ubuntu 22.04.1 LTS (jammy) | 20211029+dfsg1-1ubuntu0.1~esm1 | [neomutt 20211029+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-neomutt-20211029-dfsg1-1ubuntu0.1-esm1.md) | Nov 11, 2024 |
| Linux | neomutt Ubuntu 24.04.5 LTS (noble) | 20231103+dfsg1-1ubuntu0.1~esm1 | [neomutt 20231103+dfsg1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-neomutt-20231103-dfsg1-1ubuntu0.1-esm1.md) | Nov 11, 2024 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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