{"id":"CVE-2009-4500","aliases":["DEBIAN-CVE-2009-4500","EUVD-2009-4466","GHSA-8jg5-4gwh-7gh9"],"status":"published","title":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote...","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02286,"percentile":0.83286,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2009-12-31T18:00:00Z","modified":"2026-10-23T17:47:26Z","fixes":[{"ecosystem":"Debian:12","package":"zabbix","fixed_in":["1:1.8-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"zabbix","fixed_in":["1:1.8-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"zabbix","fixed_in":["1:1.8-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"zabbix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"zabbix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"zabbix","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.8-1"}]}]}],"products":[{"vendor":"zabbix","product":"zabbix"}],"references":[{"url":"http://www.securityfocus.com/archive/1/508436/30/60/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://support.zabbix.com/browse/ZBX-993","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://secunia.com/advisories/37740","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.vupen.com/english/advisories/2009/3514","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4500"},{"url":"https://github.com/advisories/GHSA-8jg5-4gwh-7gh9"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-4500","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-4500","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","status":"published","published":"2009-12-31T18:00:00Z","modified":"2024-09-17T01:56:19.933Z","updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4466","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","status":"published","published":"2009-12-31T18:00:00Z","modified":"2024-09-17T01:56:19Z","updated_at":"2026-11-03T00:28:45.29969Z"}],"ghsa":[{"id":"GHSA-8jg5-4gwh-7gh9","title":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote...","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","status":"published","published":"2022-05-02T03:55:16Z","modified":"2023-01-31T05:08:41Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:49:26.159542Z"}],"nvd":[{"id":"CVE-2009-4500","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","status":"published","published":"2009-12-31T18:30:01.75Z","modified":"2026-06-16T23:13:47.123Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:01:38.33745Z"}],"osv":[{"id":"CVE-2009-4500","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","status":"published","published":"2009-12-31T18:30:01Z","modified":"2026-04-10T03:41:02.336452Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-4500","description":"The process_trap function in trapper/trapper.c in Zabbix Server before 1.6.6 allows remote attackers to cause a denial of service (crash) via a crafted request with data that lacks an expected : (colon) separator, which triggers a NULL pointer dereference.","status":"published","published":"2009-12-31T18:30:01.75Z","modified":"2026-10-23T17:47:26.084409782Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}