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CVE-2005-2659

25
FAUCET Score

CVE-2005-2659 describes a critical buffer overflow vulnerability within the LZX decompression component of CHM Lib (chmlib) version 0.35, impacting products like KchmViewer. This flaw carries a maximum CVSS score of 10.0, indicating a severe risk with network-based attack vectors, low attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.35CPE matchmatch criteria
cpe:2.3:a:jed_wing:chm_lib:0.35:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.16%
Probability of exploitation in next 30 days
EPSS Percentile
80.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0216 is in the 65th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

debianpatch availablevia nvd_reference
View patch

References

mail-index.netbsd.org / pkgsrc-changes/2005/09/12/0010.html
secunia.com / advisories/17325
secunia.com / advisories/17494
PatchVendor Advisory
secunia.com / advisories/17775
PatchVendor Advisory
debian.org / security/2005/dsa-886
PatchVendor Advisory
securityfocus.com / bid/15338