{"id":"CVE-2009-4501","details":"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.","modified":"2026-04-10T03:41:01.663358Z","published":"2009-12-31T18:30:01Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/37740"},{"type":"ADVISORY","url":"http://www.vupen.com/english/advisories/2009/3514"},{"type":"FIX","url":"http://www.securityfocus.com/archive/1/508436/30/60/threaded"},{"type":"WEB","url":"https://support.zabbix.com/browse/ZBX-1355"}],"schema_version":"1.7.5"}