zabbix: An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending...
CVE-2025-49643 is fixed in zabbix on 1 platform, first by DEBIAN-CVE-2025-49643, released December 1, 2025. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| zabbix · Debian 13.5 (trixie) | 1:7.0.22+dfsg-1~deb13u1 | DEBIAN-CVE-2025-49643 | Dec 1, 2025 |
| zabbix · Debian 14 | 1:7.0.22+dfsg-1 | DEBIAN-CVE-2025-49643 | Dec 1, 2025 |
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