CVE-2009-1784

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-05-22 · updated 2026-06-16
Weakness: CWE-20

Description

The AVG parsing engine 8.5 323, as used in multiple AVG anti-virus products including Anti-Virus Network Edition, Internet Security Netzwerk Edition, Server Edition für Linux/FreeBSD, Anti-Virus SBS Edition, and others allows remote attackers to bypass malware detection via a crafted (1) RAR and (2) ZIP archive.

Affected products

Avg Anti-Virus: through 8.0.156; 6.0.710, 7.0, 7.0.251, 7.0.323, 7.1.308, 7.1.407 (+4)

References

http://blog.zoller.lu/2009/04/avg-zip-evasion-bypass.html
http://www.securityfocus.com/archive/1/503392/100/0/threaded
http://www.securityfocus.com/bid/34895
https://exchange.xforce.ibmcloud.com/vulnerabilities/50426
http://blog.zoller.lu/2009/04/avg-zip-evasion-bypass.html
http://www.securityfocus.com/archive/1/503392/100/0/threaded
http://www.securityfocus.com/bid/34895
https://exchange.xforce.ibmcloud.com/vulnerabilities/50426

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