{"id":"CVE-2019-16866","aliases":["ALPINE-CVE-2019-16866","DEBIAN-CVE-2019-16866","DSA-4544-1","EUVD-2019-7375","GHSA-gg25-v243-f7cq","MGASA-2019-0317","openSUSE-SU-2024:11005-1"],"status":"published","title":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a...","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control 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Notes","advisory"]},{"url":"https://nlnetlabs.nl/downloads/unbound/CVE-2019-16866.txt","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory","fix"]},{"url":"https://usn.ubuntu.com/4149-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.debian.org/security/2019/dsa-4544","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://seclists.org/bugtraq/2019/Oct/23","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-16866"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E65NCWZZB2D75ZIYWPXKMVGSGNYW4JMC"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MLRHE7TQFAOV4MB2ELTOGESZYUL65NUJ"},{"url":"https://usn.ubuntu.com/4149-1"},{"url":"https://github.com/advisories/GHSA-gg25-v243-f7cq"},{"url":"https://security.alpinelinux.org/vuln/CVE-2019-16866","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-16866","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2019-0317.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=25639","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-15105","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-16866","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-18934","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12662","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12663","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-28935","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-16866","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2019-10-03T18:53:33Z","modified":"2026-10-08T21:03:28.346Z","updated_at":"2026-11-02T14:32:23.485011Z"}],"euvd":[{"id":"EUVD-2019-7375","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2019-10-03T18:53:33Z","modified":"2026-10-08T21:03:28Z","updated_at":"2026-11-02T17:27:26.856493Z"}],"ghsa":[{"id":"GHSA-gg25-v243-f7cq","title":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a...","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2022-05-24T16:57:50Z","modified":"2024-04-04T02:08:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:56:06.631442Z"}],"nvd":[{"id":"CVE-2019-16866","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2019-10-03T19:15:09.55Z","modified":"2026-10-08T21:17:16.327Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-755","CWE-908"],"updated_at":"2026-11-02T14:05:31.019577Z"}],"osv":[{"id":"ALPINE-CVE-2019-16866","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2019-10-03T19:15:09.55Z","modified":"2026-09-21T06:17:52.496310149Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:47.663013Z"},{"id":"CVE-2019-16866","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2019-10-03T19:15:09.55Z","modified":"2026-10-20T13:41:21.735610072Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:11.673963Z"},{"id":"DEBIAN-CVE-2019-16866","description":"Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.","status":"published","published":"2019-10-03T19:15:09.55Z","modified":"2026-10-09T09:47:26.073267028Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:31.867036Z"},{"id":"DSA-4544-1","title":"unbound - security update","status":"published","published":"2019-10-16T00:00:00Z","modified":"2026-03-09T02:11:45.76504Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2019-0317","title":"Updated unbound packages fix security vulnerability","description":"Updated unbound packages fix security vulnerability:\n\nVersions before 1.9.4 allow accesses to uninitialized memory, which would\npermit remote attackers to trigger a crash (CVE-2019-16866).\n","status":"published","published":"2019-11-07T23:36:48Z","modified":"2026-04-16T04:41:40.946253158Z","updated_at":"2026-11-02T15:49:41.151324Z"},{"id":"openSUSE-SU-2024:11005-1","title":"libunbound8-1.13.2-1.2 on GA media","description":"These are all security issues fixed in the libunbound8-1.13.2-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:26:18.219061Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}