libclamav in Clam AntiVirus 0.65 allows remote attackers to cause a denial of service (crash) via a uuencoded e-mail message with an invalid line length (e.g., a lowercase character), which causes an assert error in clamd that terminates the calling program.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15077
http://www.freebsd.org/cgi/query-pr.cgi?pr=62586