CVE-2026-59783

Server DoS via binary items

LOW
2.3
CVSS Score
Published: October 5, 2026 at 10:28 AM UTC
Updated: October 6, 2026 at 03:27 PM UTC
1 product affected across 1 vendorZabbix

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Severity
LOW2.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7.0.0 ≤ v ≤ 7.0.287.4.0 ≤ v ≤ 7.4.127.0.07.4.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.3LOWZabbix
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-787

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