{"id":"CVE-2018-6534","aliases":["ALPINE-CVE-2018-6534","DEBIAN-CVE-2018-6534","EUVD-2018-18286","GHSA-mpx7-h62m-5fwv","UBUNTU-CVE-2018-6534","openSUSE-SU-2024:10856-1"],"status":"published","title":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an...","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01078,"percentile":0.65278,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2018-02-27T19:00:00Z","modified":"2026-11-03T06:31:25Z","fixes":[{"ecosystem":"Alpine:v3.7","package":"icinga2","fixed_in":["2.8.2-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"icinga2","fixed_in":["2.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"icinga2","fixed_in":["2.8.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"icinga2","fixed_in":["2.8.4-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.7","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.2-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.4-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"icinga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.3-1","1.13.3-2","1.13.3-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"icinga","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.4-2build1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"icinga2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.1-1.3"}]}],"bundled":7}],"products":[{"vendor":"icinga","product":"icinga"}],"references":[{"url":"https://github.com/Icinga/icinga2/pull/6104","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6534"},{"url":"https://github.com/advisories/GHSA-mpx7-h62m-5fwv"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-6534","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-6534","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-6534","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-6534","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-16933","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-6534","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14004","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29663","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-32743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-37698","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-6534","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:00:00Z","modified":"2024-08-05T06:10:10.126Z","updated_at":"2026-11-02T14:35:05.961936Z"}],"euvd":[{"id":"EUVD-2018-18286","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:00:00Z","modified":"2024-08-05T06:10:10Z","updated_at":"2026-11-03T02:40:07.640255Z"}],"ghsa":[{"id":"GHSA-mpx7-h62m-5fwv","title":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an...","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2022-05-14T03:37:09Z","modified":"2023-02-02T05:08:47Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:52:45.777625Z"}],"nvd":[{"id":"CVE-2018-6534","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:29:00.513Z","modified":"2026-06-17T02:01:58.99Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:04:23.783914Z"}],"osv":[{"id":"ALPINE-CVE-2018-6534","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:29:00.513Z","modified":"2026-11-03T06:31:25.7074031Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:18:23.800469Z"},{"id":"CVE-2018-6534","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:29:00.513Z","modified":"2026-10-24T10:48:43.0874009Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:09.74357Z"},{"id":"DEBIAN-CVE-2018-6534","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:29:00.513Z","modified":"2026-10-23T18:03:23.12705723Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:30.867575Z"},{"id":"UBUNTU-CVE-2018-6534","description":"An issue was discovered in Icinga 2.x through 2.8.1. By sending specially crafted messages, an attacker can cause a NULL pointer dereference, which can cause the product to crash.","status":"published","published":"2018-02-27T19:29:00Z","modified":"2025-10-24T04:46:54Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"openSUSE-SU-2024:10856-1","title":"icinga2-2.13.1-1.3 on GA media","description":"These are all security issues fixed in the icinga2-2.13.1-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:34:04.697166Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}