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Fencer Vulns
critical 10.0

CVE-2005-2659 json

Buffer overflow in the LZX decompression in CHM Lib (chmlib) 0.35, as used in products such as KchmViewer, has unknown impact and attack ve…

published 2005-11-16 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2660

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Buffer overflow in the LZX decompression in CHM Lib (chmlib) 0.35, as used in products such as KchmViewer, has unknown impact and attack vectors.

Patch / fix

  • chmlib Debian 14, Debian 13, Debian 12 0.37-2

debian advisories DEBIAN-CVE-2005-2659

Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.