What’s Vulnerable › Vulnerabilities

CVE-2023-32722: Stack-buffer Overflow in library module zbxjson

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-12 · updated 2026-06-17
• Weakness: CWE-120

Description

The zabbix/src/libs/zbxjson module is vulnerable to a buffer overflow when parsing JSON files via zbx_json_open.

Affected products

• Zabbix: from 6.0.0 through 6.0.20; from 6.4.0 through 6.4.5; 7.0.0-alpha1, 7.0.0-alpha2, 7.0.0-alpha3

References

• https://support.zabbix.com/browse/ZBX-23390
• https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html
• https://support.zabbix.com/browse/ZBX-23390

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