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TI-2005-02704 Aliases CVE-2005-2856GHSA-56w5-hc48-h3wh

Stack-based buffer overflow in the WinACE UNACEV2.DLL third-party compression utility…

Priority MEDIUM 49CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Stack-based buffer overflow in the WinACE UNACEV2.DLL third-party compression utility before 2.6.0.0, as used in multiple products including (1) ALZip 5.51 through 6.11, (2) Servant Salamander 2.0 and 2.5 Beta 1, (3) WinHKI 1.66 and 1.67, (4) ExtractNow 3.x, (5) Total Commander 6.53, (6) Anti-Trojan 5.5.421, (7) PowerArchiver before 9.61, (8) UltimateZip 2.7,1, 3.0.3, and 3.1b, (9) Where Is It (WhereIsIt) 3.73.501, (10) FilZip 3.04, (11) IZArc 3.5 beta3, (12) Eazel 1.0, (13) Rising Antivirus 18.27.21 and earlier, (14) AutoMate 6.1.0.0, (15) BitZipper 4.1 SR-1, (16) ZipTV, and other products, allows user-assisted attackers to execute arbitrary code via a long filename in an ACE archive.

Why it matters now

EPSS 0.15681 96th 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:winace:winace:2.6.0.0:*:*:*:*:*:*:*2.6.0.0VulnerableWinace
  • cpe:2.3:a:winace:winace:2.6.0.0:*:*:*:*:*:*:* Versions 2.6.0.0 Vulnerable ·Winace

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2005-2856
  2. 2026-10-03 Alias added: GHSA-56w5-hc48-h3wh

References

Advisory 1

Other 16

  • TI-2007-06260 Heap-based buffer overflow in WinAce 2.65 and earlier, and possibly other versions before… CVSS 2.0HIGH 10.0
  • TI-2007-01612 unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote… CVSS 2.0HIGH 7.8
  • TI-2005-02557 Buffer overflow in WinAce 2.6.0.5, and possibly earlier versions, allows remote attackers… CVSS 2.0HIGH 7.5
  • TI-2007-02447 WinAce allows remote attackers to cause a denial of service (infinite loop) via a ZOO… CVSS 2.0HIGH 7.8
  • TI-2006-00791 Heap-based buffer overflow in WinACE 2.60 allows user-assisted attackers to execute… CVSS 2.0MEDIUM 5.1

Sources

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