CVE-2025-49643
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Zabbix Frontend
PublishedDec 1, 2025
First seenDec 1, 2025
Weakness typeCWE-405CWE-405
How to fix
Update
- zabbix frontend6.0.42, 7.0.19, 7.2.13, 7.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zabbix frontend | 6.0.0 ≤ v < 6.0.42, 7.0.0 ≤ v < 7.0.19, 7.2.0 ≤ v < 7.2.13, 7.4.0 ≤ v < 7.4.3 | 6.0.42, 7.0.19, 7.2.13, 7.4.3 |
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