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TI-2005-02256 Aliases CVE-2005-2384GHSA-v34h-4v23-vppf

Directory traversal vulnerability in a third-party compression library (UNACEV2.DLL), as…

Priority LOW 29Published · 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
None · Partial · None
Fix status
No fix listed

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

Summary

Directory traversal vulnerability in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional Edition 4.6.665 and Server Edition 4.6.460, allows remote attackers to write arbitrary files via an ACE archive containing filenames with (1) .. or (2) absolute pathnames.

Why it matters now

EPSS 0.03487 89th 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 · 3

CPEVersionsRoleVendor
cpe:2.3:a:alwil:avast_antivirus:4.6.460:*:server:*:*:*:*:*4.6.460VulnerableAlwil
cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:home:*:*:*:*:*4.6.665VulnerableAlwil
cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:pro:*:*:*:*:*4.6.665VulnerableAlwil
  • cpe:2.3:a:alwil:avast_antivirus:4.6.460:*:server:*:*:*:*:* Versions 4.6.460 Vulnerable ·Alwil
  • cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:home:*:*:*:*:* Versions 4.6.665 Vulnerable ·Alwil
  • cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:pro:*:*:*:*:* Versions 4.6.665 Vulnerable ·Alwil

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2384
  2. 2026-10-03 Alias added: GHSA-v34h-4v23-vppf

References

Other 1

  • TI-2012-01281 The TAR file parser in AhnLab V3 Internet Security 2011.01.18.00, Avira AntiVir… CVSS 2.0MEDIUM 4.3
  • TI-2012-01279 The TAR file parser in Avira AntiVir 7.11.1.163, Antiy Labs AVL SDK 2.0.3.7, avast!… CVSS 2.0MEDIUM 4.3
  • TI-2012-01265 The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat… CVSS 2.0MEDIUM 4.3
  • TI-2006-02777 Unspecified vulnerability in the CHM unpacker in avast! before 4.7.844 has unknown impact and remote attack vectors. CVSS 2.0HIGH 10.0
  • TI-2006-04472 Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote… CVSS 2.0HIGH 7.5
  • TI-2005-02257 Buffer overflow in a third-party compression library (UNACEV2.DLL), as used in avast!… CVSS 2.0HIGH 7.5
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences