Is CVE-2019-1798 actively exploited?

No active exploitation of CVE-2019-1798 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-1798 be exploited remotely?

No. CVE-2019-1798 requires local access to exploit.

What is the CVSS score of CVE-2019-1798?

CVE-2019-1798 has a CVSS score of 5.5 (MEDIUM).

HOME VULNERABILITIESCVE-2019-1798

MEDIUM

CVE-2019-1798

CWE-20Published: April 8, 2019· Updated: Jun 17, 2026

5.5

CVSS v3.1

Official Description

A vulnerability in the Portable Executable (PE) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a lack of proper input and validation checking mechanisms for PE files sent an affected device. An attacker could exploit this vulnerability by sending malformed PE files to the device running an affected version ClamAV Software. An exploit could allow the attacker to cause an out-of-bounds read condition, resulting in a crash that could result in a denial of service condition on an affected device.

NVD Source

Technical Analysis

CVE-2019-1798 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.