CVE-2006-4626
Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-4626- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-4626- Updated
- 2026-11-02
EUVDEUVD-2006-4614 No score
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.
- Record
EUVD-2006-4614- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qf9j-7j34-r94m No score
Heap-based buffer overflow in alwil avast! Anti-virus Engine before 4.7.869 allows remote...
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.
- Record
GHSA-qf9j-7j34-r94m- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-4626 is a high vulnerability (CVSS 7.5) in Alwil Avast Antivirus, published September 7, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.79%, the 91st percentile. No source names a fixed version.