CVE-2023-43250: Xnview Nconvert

High severity, CVSS 7.8. EPSS: 0.6% chance of exploitation in the next 30 days.

XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow. There is a User Mode Write AV via a crafted image file. Attackers could exploit this issue for a Denial of Service (DoS) or possibly to achieve code execution.

Affected products

• Xnview Nconvert: version 7.136 only

Published 2023-10-18. Last modified 2026-06-17.