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.
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