CVE-2023-43251 json
XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted via a crafted image file.
published 2023-10-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47670
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 47%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.58% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/mrtouch93/exploits/tree/main/NConvert7.136/SEH referenced PoC, tagged "exploit" by a source, unverified
- seclists.org http://seclists.org/fulldisclosure/2023/Oct/15 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-755 Improper Handling of Exceptional Conditions
References
-
github.com
/mrtouch93/exploits/tree/main/NConvert7.136/SEH
exploit, third-party-advisory
-
seclists.org
/fulldisclosure/2023/Oct/15
exploit, mailing-list, third-party-advisory
-
xnview.com
/en/nconvert/
product
-
packetstormsecurity.com
/files/175145/XNSoft-Nconvert-7.136-Buffer-Overflow-Denial-Of-Service.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2023-43251
- NVD CVE-2023-43251
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.