ClamAV before 0.96 does not properly handle the (1) CAB and (2) 7z file formats, which allows remote attackers to bypass virus detection via a crafted archive that is compatible with standard archive utilities.
Severity
High 10.0
Published
8 Apr 2010
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
4.9% in the next 30 daysHigher than 92% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD
Affected software
Software
Affected versions
ClamAVServers and applications · cpe:a:clamav:clamav