CVE-2024-49393 MEDIUM

CVE-2024-49393: Mutt: neomutt: to and cc email header fields are not protected by cryptographic signing

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-347
Published November 12, 2024
Last update November 20, 2025

CVSS base score

6.5/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 12, 2024 CVE published
November 20, 2025 Record updated