Heap-based buffer overflow in formisc.c in formail in procmail 3.22 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted email header, related to "unbalanced quotes."
https://support.apple.com/HT205267
https://exchange.xforce.ibmcloud.com/vulnerabilities/95688
http://www.ubuntu.com/usn/USN-2340-1
http://www.securityfocus.com/bid/69573
http://www.debian.org/security/2014/dsa-3019
http://secunia.com/advisories/61108
http://secunia.com/advisories/61090
http://secunia.com/advisories/61076
http://rhn.redhat.com/errata/RHSA-2014-1172.html
http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2014-09/msg00008.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html