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Fixed

LIN1021-19663 : Security Advisory - zabbix - CVE-2025-49643

Created: Dec 3, 2025    Updated: Jun 8, 2026
Resolved Date: Jun 8, 2026
Found In Version: 10.21.20.1
Fix Version: 10.21.20.27
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace

Description

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.

CVEs

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