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.
Published: 2026-10-05
Score: 2.3 Low
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Update the affected components to their respective fixed versions.


Vendor Workaround

Disable item data collection for any Binary items with untrusted input.

Tracking

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Advisories

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History

Mon, 05 Oct 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Zabbix
Zabbix zabbix
Vendors & Products Zabbix
Zabbix zabbix

Mon, 05 Oct 2026 10:45:00 +0000

Type Values Removed Values Added
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.
Title Server DoS via binary items
Weaknesses CWE-787
References
Metrics cvssV4_0

{'score': 2.3, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Zabbix

Published:

Updated: 2026-10-05T11:50:08.690Z

Reserved: 2026-07-07T08:30:49.859Z

Link: CVE-2026-59783

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-05T11:16:59.513

Modified: 2026-10-05T11:16:59.513

Link: CVE-2026-59783

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T11:30:17Z

Weaknesses