CVE-2007-4343: Irfanview

Medium severity, CVSS 5.1. EPSS: 2.9% chance of exploitation in the next 30 days.

Stack-based buffer overflow in IrfanView 3.99 and 4.00 allows user-assisted remote attackers to execute arbitrary code via a crafted palette (.pal) file.

Affected products

• Irfanview Irfanview: version 3.99 only; version 4.00 only

Published 2007-10-16. Last modified 2026-06-16.