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Fencer Vulns
medium 5.1

CVE-2004-1049 json

Integer overflow in the LoadImage API of the USER32 Lib for Microsoft Windows allows remote attackers to execute arbitrary code via a .bmp,…

published 2004-12-31 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1047

cvss
5.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
30.1%
EPSS 30.1% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Integer overflow in the LoadImage API of the USER32 Lib for Microsoft Windows allows remote attackers to execute arbitrary code via a .bmp, .cur, .ico or .ani file with a large image size field, which leads to a buffer overflow, aka the "Cursor and Icon Format Handling Vulnerability."

Exploit prediction

30.13% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • xfocus.net http://www.xfocus.net/flashsky/icoExp/index.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

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.