CVE-2026-59783

Name	CVE-2026-59783
Description	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
zabbix (PTS)	bookworm	1:6.0.14+dfsg-1	vulnerable
	trixie	1:7.0.22+dfsg-1~deb13u1	vulnerable
	forky, sid	1:7.0.29+dfsg-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
zabbix	source	(unstable)	1:7.0.29+dfsg-1

https://support.zabbix.com/browse/ZBX-28194