{"id":"CVE-2018-5737","aliases":["ALPINE-CVE-2018-5737","BELL-CVE-2018-5737","EUVD-2018-17506","GHSA-9cxr-pmg7-9w5v","openSUSE-SU-2024:10650-1"],"status":"published","title":"BIND 9.12's serve-stale implementation can cause an assertion failure in rbtdb.c or other undesirable behavior, even if serve-stale is not enabled.","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.10635,"percentile":0.95826,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-617"],"published":"2019-01-16T20:00:00Z","modified":"2026-10-24T10:30:21Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"bind","fixed_in":["9.12.1_p2-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.12.1_p2-r0"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"bind","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.16.20-1.4"}]}],"bundled":32}],"products":[{"vendor":"isc","product":"bind"},{"vendor":"isc","product":"bind 9"},{"vendor":"netapp","product":"cloud_backup"},{"vendor":"netapp","product":"data_ontap_edge"}],"references":[{"url":"http://www.securityfocus.com/bid/104236","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://kb.isc.org/docs/aa-01606","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securitytracker.com/id/1040942","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20180926-0004/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5737"},{"url":"https://github.com/advisories/GHSA-9cxr-pmg7-9w5v"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-5737","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-5737","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2006-4339","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-2925","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-2926","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8461","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2775","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9131","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9778","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3135","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3141","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3142","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-3145","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5737","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5745","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6465","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6476","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-6477","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8616","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8617","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8618","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8619","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8620","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8621","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8622","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8623","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8624","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8625","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-25214","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-25215","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-25216","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-25218","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-5737","title":"BIND 9.12's serve-stale implementation can cause an assertion failure in rbtdb.c or other undesirable behavior, even if serve-stale is not enabled.","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","status":"published","published":"2019-01-16T20:00:00Z","modified":"2024-09-16T22:40:22.628Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:01.28843Z"}],"euvd":[{"id":"EUVD-2018-17506","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","status":"published","published":"2019-01-16T20:00:00Z","modified":"2024-09-16T22:40:22Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:01.173561Z"}],"ghsa":[{"id":"GHSA-9cxr-pmg7-9w5v","title":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an...","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","status":"published","published":"2022-05-13T01:32:04Z","modified":"2023-02-01T05:08:10Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:50:41.695645Z"}],"nvd":[{"id":"CVE-2018-5737","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","status":"published","published":"2019-01-16T20:29:00.877Z","modified":"2026-06-17T02:00:41.227Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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-617"],"updated_at":"2026-11-02T14:04:53.079938Z"}],"osv":[{"id":"ALPINE-CVE-2018-5737","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","status":"published","published":"2019-01-16T20:29:00.877Z","modified":"2026-10-23T17:17:55.278250212Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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":"BELL-CVE-2018-5737","title":"CVE-2018-5737 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:16:05.4652Z","modified":"2026-01-26T09:46:30.822347Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-5737","description":"A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.","status":"published","published":"2019-01-16T20:29:00.877Z","modified":"2026-10-24T10:30:21.539887779Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:09.442568Z"},{"id":"openSUSE-SU-2024:10650-1","title":"bind-9.16.20-1.4 on GA media","description":"These are all security issues fixed in the bind-9.16.20-1.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:52:09.525836Z","updated_at":"2026-11-02T16:58:34.487567Z"}]}}