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Fencer Vulns
critical 9.8

CVE-2023-52174 json

XnView Classic before 2.51.3 on Windows has a Write Access Violation at xnview.exe+0x3125D6.

published 2023-12-29 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56847

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

XnView Classic before 2.51.3 on Windows has a Write Access Violation at xnview.exe+0x3125D6.

Patch / fix

  • xnview xnview_classic 2.51.3

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/seyit-sigirci/Vulnerability-Disclosures/blob/main/XNView-Crash-Reports/BOF%5B0x1C94%5D%2B4%7B%2B0~4%231b99%7D%20128.ecf%20%40%20xnview.exe%2B0x3125D6.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

References

Sources

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.