CVE-2023-29451

MEDIUM

Zabbix - Denial of Service via JSON Parser Buffer Overrun

Title source: llm
STIX 2.1

Description

Specially crafted string can cause a buffer overrun in the JSON parser library leading to a crash of the Zabbix Server or a Zabbix Proxy.

Scores

CVSS v3 4.7
EPSS 0.0066
EPSS Percentile 47.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-20 CWE-787
Status published
Products (2)
zabbix/zabbix 6.4.0 alpha1 (10 CPE variants)
zabbix/zabbix < 6.0.14
Published Jul 13, 2023
Tracked Since Feb 18, 2026