Multiple integer overflows in Hancom Office 2010 SE 8.5.5 allow remote attackers to execute arbitrary code via large dimension values in a (1) JPG image to the ImportGR in the JPG image filter module (HncJpeg10.flt) or (2) PNG image to the PNG image filter module (HncPng10.flt), which triggers a heap-based buffer overflow.
https://exchange.xforce.ibmcloud.com/vulnerabilities/73026
https://exchange.xforce.ibmcloud.com/vulnerabilities/73025
http://www.securityfocus.com/bid/51892
http://www.hancom.co.kr/notice.noticeView.do?targetRow=1¬ice_seqno=100