CVE-2006-4626

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-09-07 · updated 2026-06-16

Description

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.

Affected products

Alwil Avast Antivirus: through 4.6.460; through 4.6.763; 4.0.168, 4.0.172, 4.0.183, 4.0.202, 4.0.211, 4.0.229 (+21)

References

http://secunia.com/advisories/21794
http://www.hustlelabs.com/advisories/04072006_alwil.pdf
http://www.securityfocus.com/bid/19903
http://www.vupen.com/english/advisories/2006/3515
http://secunia.com/advisories/21794
http://www.hustlelabs.com/advisories/04072006_alwil.pdf
http://www.securityfocus.com/bid/19903
http://www.vupen.com/english/advisories/2006/3515

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