Bug 2545873 (CVE-2026-59783) - CVE-2026-59783 zabbix: Zabbix: Denial of service via null byte input in binary items
Summary: CVE-2026-59783 zabbix: Zabbix: Denial of service via null byte input in binar...
Keywords:
Status: NEW
Alias: CVE-2026-59783
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2545904
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-05 10:51 UTC by OSIDB Bzimport
Modified: 2026-10-05 12:58 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-10-05 10:51:30 UTC 
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.
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