Format string vulnerability in the ext_yahoo_contact_added function in yahoo.c in Miranda IM 0.7.1 allows remote attackers to execute arbitrary code via a Y7 Buddy Authorization packet with format string specifiers in the contact Yahoo! handle (who).
miranda.svn.sourceforge.net/viewvc/miranda/trunk/miranda/protocols/Yahoo/yahoo.c?r1=6601&r2=6699&diff_format=l
secunia.com/advisories/27402
secunia.com/secunia_research/2007-89/advisory/
www.securityfocus.com/bid/26389
www.vupen.com/english/advisories/2007/3823
exchange.xforce.ibmcloud.com/vulnerabilities/38362