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TI-2005-02523 Aliases CVE-2005-2659GHSA-27vf-v322-7qf5

Buffer overflow in the LZX decompression in CHM Lib (chmlib) 0.35, as used in products…

Priority MEDIUM 47Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

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.

Why it matters now

EPSS 0.02163 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jed_wing:chm_lib:0.35:*:*:*:*:*:*:*0.35VulnerableJed Wing
  • cpe:2.3:a:jed_wing:chm_lib:0.35:*:*:*:*:*:*:* Versions 0.35 Vulnerable ·Jed Wing

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2659
  2. 2026-10-03 Alias added: GHSA-27vf-v322-7qf5

References

  • TI-2005-03143 Buffer overflow in the _chm_decompress_block function in CHM lib (chmlib) before 0.37, as… CVSS 2.0MEDIUM 5.1
  • TI-2005-02766 Stack-based buffer overflow in the _chm_find_in_PMGL function in chm_lib.c for chmlib… CVSS 2.0MEDIUM 5.1
  • TI-2006-03078 Directory traversal vulnerability in extract_chmLib example program in CHM Lib (chmlib)… CVSS 2.0MEDIUM 5.0

Sources