What’s Vulnerable › Vulnerabilities

CVE-2006-6406

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2006-12-10 · updated 2026-06-16

Description

Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting invalid characters into base64 encoded content in a multipart/mixed MIME file, as demonstrated with the EICAR test file.

Affected products

• Clam Anti-Virus Clamav: 0.88.6

References

• http://kolab.org/security/kolab-vendor-notice-14.txt
• http://secunia.com/advisories/23362
• http://secunia.com/advisories/23379
• http://secunia.com/advisories/23411
• http://secunia.com/advisories/23460
• http://www.debian.org/security/2006/dsa-1238
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:230
• http://www.novell.com/linux/security/advisories/2006_78_clamav.html
• http://www.quantenblog.net/security/virus-scanner-bypass
• http://www.securityfocus.com/archive/1/453654/100/0/threaded
• http://www.securityfocus.com/bid/21461
• http://www.vupen.com/english/advisories/2006/4948

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