Multiple stack-based buffer overflows in (1) CCE_pinyin.c and (2) xl_pinyin.c in ImmModules/cce/ in unicon-imc2 3.0.4, as used by zhcon and other applications, allow local users to gain privileges via a long HOME environment variable.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35382
http://www.securityfocus.com/bid/24719
http://www.debian.org/security/2007/dsa-1328
http://secunia.com/advisories/25912