CVE-2006-4626

highpriority · track · 32EPSS 0.048 · 92 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.79% (92nd) EPSS

CVSS 7.5 · high

Is it mine?

30 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.4–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-122USLLM-inferred

affected products (30)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
alwil avast antivirus≤ 4.6.763nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus≤ 4.6.460nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.168nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.172nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.183nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.202nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.211nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.229nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.0.235nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.260nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.268nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.278nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.287nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.289nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.304nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.319nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.335nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.342nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*
alwil avast antivirus= 4.1.357nvdUScpe:2.3:a:alwil:avast_antivirus:*:*:*:*:*:*:*:*

showing 20 of 30

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2006-09-07modified 2026-06-16

references (8)

External citations — patches, advisories, analysis.

scry

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