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Fencer Intel
critical 9.3

CVE-2013-3938 json

Integer overflow in xnview.exe in XnView 2.13 allows remote attackers to execute arbitrary code via a large NUM_ELEMENTS field in an IFD_EN…

published 12y ago modified 4mo ago also EUVD-2013-3870

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.5%
EPSS 3.5% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Integer overflow in xnview.exe in XnView 2.13 allows remote attackers to execute arbitrary code via a large NUM_ELEMENTS field in an IFD_ENTRY structure in a JXR file, which triggers a heap-based buffer overflow.

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Exploit prediction

3.50% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel 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.