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TI-2005-02257 Aliases CVE-2005-2385GHSA-c8h3-977p-ch8j

Buffer overflow in a third-party compression library (UNACEV2.DLL), as used in avast!…

Priority MEDIUM 40Published · 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
Partial · Partial · Partial
Fix status
No fix listed

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

Summary

Buffer overflow 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 execute arbitrary code via an ACE archive containing a long filename.

Why it matters now

EPSS 0.04035 90th 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-2005-2385
  2. 2026-10-03 Alias added: GHSA-c8h3-977p-ch8j

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-2005-01627 Unknown vulnerability in ALWIL avast! antivirus 4 (4.6.6230) and earlier, when running on… 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