CVE-2026-59783

EUVD-2026-92396
The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ZabbixCNA
2.3 LOW
NETWORK
LOW
LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
zabbixzabbix
7.0.0 ≤
𝑥
≤ 7.0.28
CNA
zabbixzabbix
7.4.0 ≤
𝑥
≤ 7.4.12
CNA
Debian logo
Debian Releases
Debian Product
Codename
zabbix
bookworm
vulnerable
forky
1:7.0.29+dfsg-2
fixed
sid
1:7.0.29+dfsg-2
fixed
trixie
vulnerable
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://support.zabbix.com/browse/ZBX-28194