Zabbix 6.0.x < 6.0.42 / 7.0.x < 7.0.19 / 7.2.x < 7.2.13 / 7.4.x < 7.4.3 DoS (ZBX-27284)

The version of Zabbix Server installed on the remote host is affected by a vulnerability. An authenticated Zabbix user including Guest is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service. Note...

CVE-2025-49643 Frontend DoS vulnerability due to asymmetric resource consumption

An authenticated Zabbix user including Guest is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service...