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Vulnerability details: VCID-h776-h6y3-ufcu
Vulnerability ID VCID-h776-h6y3-ufcu
Aliases CVE-2006-6406
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 4.5
Risk 2.2
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.02372 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.02372 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.02372 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.05758 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.05758 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.05758 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.05758 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.05758 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
epss 0.05758 https://api.first.org/data/v1/epss?cve=CVE-2006-6406
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2006-6406
Reference id Reference type URL
http://kolab.org/security/kolab-vendor-notice-14.txt
https://api.first.org/data/v1/epss?cve=CVE-2006-6406
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6406
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
http://www.vupen.com/english/advisories/2006/5113
401873 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=401873
cpe:2.3:a:clam_anti-virus:clamav:0.88.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:clam_anti-virus:clamav:0.88.6:*:*:*:*:*:*:*
CVE-2006-6406 https://nvd.nist.gov/vuln/detail/CVE-2006-6406
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2006-6406
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Exploit Prediction Scoring System (EPSS)
Percentile 0.84968
EPSS Score 0.02372
Published At April 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T16:30:15.417027+00:00 Debian Oval Importer Import https://www.debian.org/security/oval/oval-definitions-bullseye.xml.bz2 38.0.0