CVE-2024-20380: Clamav

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A vulnerability in the HTML parser of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an issue in the C to Rust foreign function interface. An attacker could exploit this vulnerability by submitting a crafted file containing HTML content to be scanned by ClamAV on an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

Affected products

• Clamav Clamav: version 1.3.0 only

Published 2024-04-18. Last modified 2026-06-17.