Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.Referenceshttp://www.securityfocus.com/archive/1/309912/30/26090/threadedhttp://www.securityfocus.com/bid/6679https://exchange.xforce.ibmcloud.com/vulnerabilities/11154http://marc.info/?l=bugtraq&m=104342896818777&w=2http://www.securityfocus.com/archive/1/310212/30/26030/threadedhttp://secunia.com/advisories/7983
