Debian Security Advisory DSA 3083-1 (mutt - security update)

Summary
A flaw was discovered in mutt, a text-based mailreader. A specially crafted mail header could cause mutt to crash, leading to a denial of service condition.
Solution
For the stable distribution (wheezy), this problem has been fixed in version 1.5.21-6.2+deb7u3. For the unstable distribution (sid), this problem has been fixed in version 1.5.23-2. We recommend that you upgrade your mutt packages.
Insight
Mutt is a sophisticated text-based Mail User Agent. Some highlights:
Affected
mutt on Debian Linux
Detection
This check tests the installed software version using the apt package manager.
References