CVE-2026-59783
Low
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.
SeverityLow
CVSS2.3
Exploit probability—
Product
Zabbix
PublishedOct 5, 2026
First seenOct 5, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Zabbix Zabbix | 7.0.0 ≤ v ≤ 7.0.28, 7.4.0 ≤ v ≤ 7.4.12 | — |
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