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.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
Update the affected components to their respective fixed versions.
Workaround
Disable item data collection for any Binary items with untrusted input.
References
| Link | Providers |
|---|---|
| https://support.zabbix.com/browse/ZBX-28194 |
|
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
|
Projects
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Status: PUBLISHED
Assigner: Zabbix
Published:
Updated: 2026-10-05T11:50:08.690Z
Reserved: 2026-07-07T08:30:49.859Z
Link: CVE-2026-59783
No data.
Status : Received
Published: 2026-10-05T11:16:59.513
Modified: 2026-10-05T11:16:59.513
Link: CVE-2026-59783
No data.
OpenCVE Enrichment
Updated: 2026-10-05T11:30:17Z
Weaknesses