Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to “palette reduction.”
optipng.hg.sourceforge.net/hgweb/optipng/optipng/rev/f1d5d44670a2
optipng.sourceforge.net/
secunia.com/advisories/50654
sourceforge.net/news/?group_id=151404
www.openwall.com/lists/oss-security/2012/09/17/5
www.openwall.com/lists/oss-security/2012/09/18/2
www.securityfocus.com/bid/55566
exchange.xforce.ibmcloud.com/vulnerabilities/78743