What is CVE-2023-32722?

CVE-2023-32722 is a critical-severity vulnerability in Zabbix, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.6/10. Published 2023-10-12.

How severe is CVE-2023-32722?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Buffer overflow in Zabbix

CVE-2023-32722

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

Vulnerability class: Buffer Overflow

EPSS: 0.007 (49.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Zabbix — versions 6.4.0, 6.0.0, 7.0.0alpha1

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)
CWE-787 — Out-of-bounds Write

References

security@zabbix.com (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-32722?: CVE-2023-32722 is a critical-severity vulnerability in Zabbix, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.6/10. Published 2023-10-12.
How severe is CVE-2023-32722?: Critical severity. CVSS v3 base score is 9.6 out of 10.