CVE-2010-1509

CVE-2010-1509 describes a heap-based buffer overflow vulnerability in IrfanView versions prior to 4.27, stemming from a sign-extension error when processing PSD image files. This flaw allows remote attackers to trigger a denial of service (application crash) or potentially execute arbitrary code by supplying a specially crafted image. With a CVSS score of 5.0, it is a medium severity vulnerability that can be exploited with low attack complexity and no authentication required, leading to potential application unavailability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.