CVE-2023-43251

HIGHNVD 7.87.8—

7.8

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.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 46.3%
KEV: Not listed

Published

October 19, 2023

Last Modified

November 21, 2024

References (8)

cve@mitrehttp://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html
cve@mitrehttp://seclists.org/fulldisclosure/2023/Oct/15
cve@mitrehttps://github.com/mrtouch93/exploits/tree/main/NConvert7.136/SEH
cve@mitrehttps://www.xnview.com/en/nconvert/
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2023/Oct/15
af854a3a-2127-422b-91ae-364da2661108https://github.com/mrtouch93/exploits/tree/main/NConvert7.136/SEH
af854a3a-2127-422b-91ae-364da2661108https://www.xnview.com/en/nconvert/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-755Improper Handling of Exceptional Conditions

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-23 10:00 UTCEG score recompute
2026-05-23 09:59 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-43251?

CVE-2023-43251 is a high vulnerability published on October 19, 2023. 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.

When was CVE-2023-43251 disclosed?

CVE-2023-43251 was first published in the National Vulnerability Database on October 19, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-43251 actively exploited?

CVE-2023-43251 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 46.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-43251?

CVE-2023-43251 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-43251?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-43251, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-43251

📅 Published

🔄 Last Modified

🔗 References (8)