Evgeni Golov uploaded new packages for mutt which fixed the
following security problems:
CVE-2014-0467 / DSA-2874-1
Beatrice Torracca and Evgeni Golov discovered a buffer overflow in the
mutt mailreader. Malformed RFC2047 header lines could result in denial
of service or potentially the execution of arbitrary code.
For the squeeze-backports distribution the problems have been fixed in
version 1.5.21-6.2+deb7u2~bpo60+1.
For the oldstable distribution (squeeze), this problem has been fixed in
version 1.5.20-9+squeeze3.
For the stable distribution (wheezy), this problem has been fixed in
version 1.5.21-6.2+deb7u2.
For the unstable distribution (sid), this problem has been fixed in
version 1.5.22-2.
We recommend that you upgrade your mutt packages.