CVE-2006-6406
Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-6406- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-6406- Updated
- 2026-11-02
EUVDEUVD-2006-6389 No score
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.
- Record
EUVD-2006-6389- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xqx5-63qm-w35c No score
Clam AntiVirus (ClamAV) 0.88.6 allows remote attackers to bypass virus detection by inserting...
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.
- Record
GHSA-xqx5-63qm-w35c- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2006-6406- Updated
- 2026-11-02
OSVDEBIAN-CVE-2006-6406 No score
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.
- Record
DEBIAN-CVE-2006-6406- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
clamavDebian:12 |
before 0.88.7-1 | 0.88.7-1 |
clamavDebian:13 |
before 0.88.7-1 | 0.88.7-1 |
clamavDebian:14 |
before 0.88.7-1 | 0.88.7-1 |
clamavDebian:3.1 From an advisory covering 2 CVEs |
before 0.84-2.sarge.13, plus listed versions 0.84-20.84-2.sarge.10.84-2.sarge.100.84-2.sarge.110.84-2.sarge.12 Show 8 moreShow less0.84-2.sarge.20.84-2.sarge.30.84-2.sarge.40.84-2.sarge.50.84-2.sarge.60.84-2.sarge.70.84-2.sarge.80.84-2.sarge.9 |
0.84-2.sarge.13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-6406 is a medium vulnerability (CVSS 5.0) in Clam Anti-virus Clamav, published December 10, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.47%, the 89th percentile. Fixed in clamav 0.88.7-1.
References
securityfocus.com/bid/21461
kolab.org/security/kolab-vendor-notice-14.txt
secunia.com/advisories/23460
vupen.com/english/advisories/2006/4948
debian.org/security/2006/dsa-1238
novell.com/linux/security/advisories/2006_78_clamav.html
Show 10 moreShow less
quantenblog.net/security/virus-scanner-bypass
mandriva.com/security/advisories?name=MDKSA-2006:230
nvd.nist.gov/vuln/detail/CVE-2006-6406
github.com/advisories/GHSA-xqx5-63qm-w35c
security-tracker.debian.org/tracker/CVE-2006-6406