CVE-2020-23555: Irfanview

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000007e6e.

Affected products

• Irfanview Irfanview: version 4.54 only

Published 2022-09-16. Last modified 2026-06-17.