CVE catalog

CVE-2005-2659

chmlib: CVE-2005-2659

Severity: High
Published: Nov 7, 2005, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 2.16% · Oct 27, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	chmlib	sid	`2:0.40a-9`	fixed
Debian	chmlib	forky	`2:0.40a-9`	fixed
Debian	chmlib	trixie	`2:0.40a-8.1`	fixed
Debian	chmlib	bookworm	`2:0.40a-8`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	chmlib	source	sid	`0.37-2`	medium	Not reported	Not reported
Debian	chmlib	source	forky	`0.37-2`	medium	Not reported	Not reported
Debian	chmlib	source	trixie	`0.37-2`	medium	Not reported	Not reported
Debian	chmlib	source	bookworm	`0.37-2`	medium	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libchm1]Fixed
Source package: [chmlib]
Details (2)
- 2:0.40a-8 · amd64 · bookworm
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · bookworm; dsa · chmlib · debian · 12
- 2:0.40a-8 · arm64 · bookworm
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · bookworm; dsa · chmlib · debian · 12
[libchm-bin]Fixed
Source package: [chmlib]
Details (2)
- 2:0.40a-8 · amd64 · bookworm
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · bookworm; dsa · chmlib · debian · 12
- 2:0.40a-8 · arm64 · bookworm
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · bookworm; dsa · chmlib · debian · 12
[libchm-dev]Fixed
Source package: [chmlib]
Details (2)
- 2:0.40a-8 · amd64 · bookworm
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · bookworm; dsa · chmlib · debian · 12
- 2:0.40a-8 · arm64 · bookworm
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · bookworm; dsa · chmlib · debian · 12

[Debian 13 (Trixie)]

[libchm1]Fixed
Source package: [chmlib]
Details (2)
- 2:0.40a-8.1 · amd64 · trixie
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · 13
- 2:0.40a-8.1 · arm64 · trixie
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · 13
[libchm-bin]Fixed
Source package: [chmlib]
Details (2)
- 2:0.40a-8.1 · amd64 · trixie
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · 13
- 2:0.40a-8.1 · arm64 · trixie
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · 13
[libchm-dev]Fixed
Source package: [chmlib]
Details (2)
- 2:0.40a-8.1 · amd64 · trixie
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · 13
- 2:0.40a-8.1 · arm64 · trixie
  Fixed · Fixed: 0.37-2
  dsa · chmlib · debian · 13

Observed: Oct 23, 2026, 5:02:38 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]