kbrain

CVE-2006-4626

HIGH · CVSS 7.5EPSS 4.8%EU EUVD

Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote attackers to execute arbitrary code via a crafted LHA file that contains extended headers with file and directory names whose concatenation triggers the overflow.

Key facts

CVSS score
7.5 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS score
4.8% (92th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2006-4614)
Published
September 7, 2006
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2006-4614 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus
  • alwil / avast antivirus

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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