TI-2023-23155 Aliases CVE-2023-43250 GHSA-57rr-j54c-gw9x

XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow.

LOW 37CWE-120Published 2023-10-18 · Updated 2024-09-13

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00659 51st percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:xnview:nconvert:7.136:::::::*	7.136	Vulnerable	XnView

cpe:2.3:a:xnview:nconvert:7.136:*:*:*:*:*:*:* Versions 7.136 Vulnerable ·XnView

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-43250
2026-10-03 Alias added: GHSA-57rr-j54c-gw9x
2026-10-18 EPSS moved to the 50th–90th percentile

References

Exploit 2

Advisory 1

http://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html

Other 1

https://www.xnview.com/en/nconvert/

TI-2023-23157 XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow via a crafted image file. CVSS 3.1HIGH 7.8
TI-2023-23156 XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted via a crafted image file. CVSS 3.1HIGH 7.8
TI-2024-15054 Buffer Overflow vulnerability in XNSoft NConvert 7.163 (for Windows x86) allows attackers… CVSS 3.1MEDIUM 6.5
TI-2026-23418 XnSoft NConvert 7.230 is vulnerable to Use-After-Free via a crafted .tiff file CVSS 3.1MEDIUM 6.2
TI-2026-23417 XnSoft NConvert 7.230 is vulnerable to Stack Buffer Overrun via a crafted .tiff file. CVSS 3.1MEDIUM 6.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences