CVE-2022-20803: A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a…

PriorityP341high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

1.06%

60.7th percentile

A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the realloc function that may result in a double-free. An attacker could exploit this vulnerability by submitting a crafted OLE2 file to be scanned by ClamAV on the affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
cisco	clamav	—	—
clamav	clamav	>= 0.104.0 < 0.104.3	0.104.3
debian	clamav	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

vendor_debian8.6LOW

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