cvedb.io
CVE-2022-20803
HIGH · CVSS 8.6
EPSS exploitation probability: 0%
Published 2023-02-17T18:15:11.740 · Last modified 2026-06-17T04:25:08.800

Summary

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 products

clamav — clamav

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.