Unscored USN-4703-1 1 CVE

mutt vulnerability

Published Jan 25, 2021 · Updated Feb 10, 2026

Ecosystem: Ubuntu

Summary

It was discovered that Mutt incorrectly handled certain email messages.
An attacker could possibly use this issue to cause a denial of service.

Fixed packages 3

Release	Package	Fixed in
Ubuntu · 16.04 LTS 16.04:LTS	mutt	1.5.24-1ubuntu0.6
Ubuntu · 18.04 LTS 18.04:LTS	mutt	1.9.4-3ubuntu0.5
Ubuntu · 20.04 LTS 20.04:LTS	mutt	1.13.2-1ubuntu0.4

Vulnerabilities 1

Unscored —

CVE-2021-3181

rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service (mailbox unavailability) by sending…

mutt mutt mutt Debian Ubuntu Alpine

Jan 19, 2021

References

report
https://ubuntu.com/security/CVE-2021-3181