CVE-2025-49643 · cross-distro fix matrix

CVE-2025-49643: 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.

Affects 2 Linux releases across 2 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-49643 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

zabbix→ fixed in1:7.0.22+dfsg-1~deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y zabbix
```

Alpine edge

Source: Alpine secdb

zabbix→ fixed in7.4.3-r0
```
apk update && apk add --upgrade zabbix
```

Are YOU affected by CVE-2025-49643?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

Form-based quickscan View on NVD

Continuous monitoring beats manual checking

CVE-2025-49643dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)