CVE-2017-2813: Irfanview

High severity, CVSS 7.8. EPSS: 1.7% chance of exploitation in the next 30 days.

An exploitable integer overflow vulnerability exists in the JPEG 2000 parser functionality of IrfanView 4.44. A specially crafted jpeg2000 image can cause an integer overflow leading to wrong memory allocation resulting in arbitrary code execution. Vulnerability can be triggered by viewing the image in via the application or by using thumbnailing feature of IrfanView.

Affected products

• Irfanview Irfanview: version 4.44 only

Published 2017-06-21. Last modified 2026-06-17.