IrfanView before 4.27 does not properly handle an unspecified integer variable during processing of PSD images, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted image file that triggers a heap-based buffer overflow, related to a “sign-extension error.”
irfanview.com/main_history.htm
osvdb.org/64627
secunia.com/advisories/39036
secunia.com/secunia_research/2010-41
www.securityfocus.com/archive/1/511274/100/0/threaded
www.securityfocus.com/bid/40104
exchange.xforce.ibmcloud.com/vulnerabilities/58548
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6705