CVE-2023-43252
CVE-2023-43252 is a high-severity vulnerability in Xnview Nconvert with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Xnview Nconvert
- Published:
- Last modified:
Description
XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow via a crafted image file.
Frequently asked questions
- What is CVE-2023-43252?
- XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow via a crafted image file.
- How severe is CVE-2023-43252?
- CVE-2023-43252 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-43252 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-43252?
- CVE-2023-43252 affects Xnview Nconvert. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-43252?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-43252 published?
- CVE-2023-43252 was published on 2023-10-19 and last updated on 2026-06-17.
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/Stack%20Buffer%20Overrun
- https://www.xnview.com/en/nconvert/
Affected products (1)
- cpe:2.3:a:xnview:nconvert:7.136:*:*:*:*:*:*:*
More vulnerabilities in Xnview Nconvert
- CVE-2023-43251 — High (CVSS 7.8): XNSoft Nconvert 7.136 has an Exception Handler Chain Corrupted via a crafted image file. Attackers could exploit this…
- CVE-2023-43250 — High (CVSS 7.8): XNSoft Nconvert 7.136 is vulnerable to Buffer Overflow. There is a User Mode Write AV via a crafted image file.…
- CVE-2024-22532 — Medium (CVSS 6.5): Buffer Overflow vulnerability in XNSoft NConvert 7.163 (for Windows x86) allows attackers to cause a denial of service…
- CVE-2026-30007 — Medium (CVSS 6.2): XnSoft NConvert 7.230 is vulnerable to Use-After-Free via a crafted .tiff file
- CVE-2026-30006 — Medium (CVSS 6.2): XnSoft NConvert 7.230 is vulnerable to Stack Buffer Overrun via a crafted .tiff file.
All CVEs affecting Xnview Nconvert →
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