CVE-2022-20803
Description
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.
How to fix
- clamav clamav0.104.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| clamav clamav | 0.104.0 ≤ v < 0.104.3 | 0.104.3 |
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