What’s Vulnerable › Vulnerabilities

CVE-2023-43251

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-19 · updated 2026-06-17
• Weakness: CWE-755

Description

XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted 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: 7.136

References

• http://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2023/Oct/15
• https://github.com/mrtouch93/exploits/tree/main/NConvert7.136/SEH
• https://www.xnview.com/en/nconvert/
• http://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html
• http://seclists.org/fulldisclosure/2023/Oct/15
• https://github.com/mrtouch93/exploits/tree/main/NConvert7.136/SEH
• https://www.xnview.com/en/nconvert/

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