CVE-2009-2118: Irfanview

Medium severity, CVSS 6.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Integer overflow in IrfanView 4.23, when the resampling or screen fitting option is enabled, allows remote attackers to execute arbitrary code via a crafted TIFF 1 BPP image, which triggers a heap-based buffer overflow.

Affected products

• Irfanview Irfanview: version 4.23 only

Published 2009-06-18. Last modified 2026-06-16.