CVE-2023-32726: Zabbix Zabbix-Agent

High severity, CVSS 8.1. EPSS: 0.7% chance of exploitation in the next 30 days.

The vulnerability is caused by improper check for check if RDLENGTH does not overflow the buffer in response from DNS server.

Affected products

• Zabbix Zabbix-Agent: from 5.0.0, up to and including 5.0.39; from 6.0.0, up to and including 6.0.23; from 6.4.0, up to and including 6.4.8; version 7.0.0 only

Published 2023-12-18. Last modified 2026-06-17.