The WPG plugin before 3.1.0.0 for IrfanView 4.57 has a user-mode write access violation starting at WPG+0x0000000000012ec6, which might allow remote attackers to execute arbitrary code.
IrfanView version 4.57 with WPG.dll version 2.0.0.0 suffer from access violation and out-of-bounds write vulnerabilities that can lead to denial of service or code execution.