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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zabbix | Zabbix | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | zabbix | 1:7.0.22+dfsg-1 | — |
| Debian 13 | zabbix | 1:7.0.22+dfsg-1~deb13u1 | — |
| Debian 12 | zabbix | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | zabbix | No fix yet | — |
| Ubuntu 26.04 LTS | zabbix | No fix yet | — |
| Ubuntu 25.10 | zabbix | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 20.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 18.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 16.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 14.04 LTS | zabbix | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | zabbix | 7.4.3-r0 | — |
| Alpine v3.23 | zabbix | 7.4.3-r0 | — |
| Alpine v3.22 | zabbix | 7.2.13-r0 | — |
Advisories 1
- WID-SEC-2025-2703 Zabbix: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 8, 2026