CVE-2009-4501

MEDIUM 5.0CVE-2009-4501 · Published 31/12/2009 · updated 16/06/2026

In short

CVE-2009-4501 is a MEDIUM (CVSS 5.0) vulnerability affecting zabbix (zabbix).
Chance of exploitation in the next 30 days (EPSS): 8.5%, higher than 95.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
zabbix zabbix	`= 1.1.2= 1.1.3= 1.1.4= 1.1.5= 1.4.2= 1.4.3= 1.4.4= 1.4.6= 1.6.6≤ 1.6.7`	No fix yet

Description

The zbx_get_next_field function in libs/zbxcommon/str.c in Zabbix Server before 1.6.8 allows remote attackers to cause a denial of service (crash) via a request that lacks expected separators, which triggers a NULL pointer dereference, as demonstrated using the Command keyword.

References

secunia.com/advisories/37740 · Vendor Advisory
securityfocus.com/archive/1/508436/30/60/threaded · Patch
vupen.com/english/advisories/2009/3514 · Vendor Advisory
support.zabbix.com/browse/ZBX-1355

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Package

Affected versions

Patched versions

zabbix

= 1.1.2= 1.1.3= 1.1.4= 1.1.5= 1.4.2= 1.4.3= 1.4.4= 1.4.6= 1.6.6≤ 1.6.7

No fix yet

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