Description
In the trapper functionality of Zabbix Server 2.4.x, specifically crafted trapper packets can pass database logic checks, resulting in database writes. An attacker can set up a Man-in-the-Middle server to alter trapper requests made between an active Zabbix proxy and Server to trigger this vulnerability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Talos | Zabbix | Zabbix Server 2.4.8.r1 | — |
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 | 1:3.0.7+dfsg-3 | — |
| Debian 13 | zabbix | 1:3.0.7+dfsg-3 | — |
| Debian 12 | zabbix | 1:3.0.7+dfsg-3 | — |
| Debian 8 | zabbix | 1:2.2.7+dfsg-2+deb8u3 | DSA-3937-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | zabbix | 1:4.0.17+dfsg-1ubuntu0.1~esm1 | USN-4767-1 |
| Ubuntu Pro 18.04 LTS | zabbix | 1:3.0.12+dfsg-1ubuntu0.1~esm3 | USN-4767-1 |
| Ubuntu Pro 16.04 LTS | zabbix | 1:2.4.7+dfsg-2ubuntu2.1+esm1 | USN-4767-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | zabbix | 1:2.2.2+dfsg-1ubuntu1+esm1 | USN-4767-1 |
Advisories 2
- USN-4767-1 zabbix vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DSA-3937-1 zabbix - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0326
- 98094 vdb-entry
- DSA-3937 vendor-advisory