{"id":"CVE-2019-6468","aliases":["EUVD-2019-16028","GHSA-6r46-vvmw-c9mc","UBUNTU-CVE-2019-6468"],"status":"published","title":"BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0261,"percentile":0.85519,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-617"],"published":"2019-04-24T00:00:00Z","modified":"2026-10-26T10:45:06Z","products":[{"vendor":"isc","product":"bind"},{"vendor":"isc","product":"bind 9 supported preview edition"}],"references":[{"url":"https://kb.isc.org/docs/cve-2019-6468","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://www.synology.com/security/advisory/Synology_SA_19_20","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6468"},{"url":"https://github.com/advisories/GHSA-6r46-vvmw-c9mc"},{"url":"https://ubuntu.com/security/CVE-2019-6468","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-6468","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-6468","title":"BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","status":"published","published":"2019-10-09T14:17:14.488Z","modified":"2024-09-16T18:44:17.039Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16028","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","status":"published","published":"2019-10-09T14:17:14Z","modified":"2024-09-16T18:44:17Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:29.674428Z"}],"ghsa":[{"id":"GHSA-6r46-vvmw-c9mc","title":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in...","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","status":"published","published":"2022-05-24T16:58:21Z","modified":"2024-04-04T02:15:04Z","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-617"],"updated_at":"2026-11-02T14:56:07.143453Z"}],"nvd":[{"id":"CVE-2019-6468","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","status":"published","published":"2019-10-09T16:15:16.687Z","modified":"2026-06-17T02:39:05.803Z","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":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"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":"2026-11-02T14:05:31.019577Z"}],"osv":[{"id":"CVE-2019-6468","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","status":"published","published":"2019-10-09T16:15:16.687Z","modified":"2026-10-26T10:45:06.454494584Z","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":"2026-11-02T15:44:12.675558Z"},{"id":"UBUNTU-CVE-2019-6468","description":"In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -\u003e 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.","status":"withdrawn","published":"2019-04-24T00:00:00Z","modified":"2025-07-16T07:40:16.903374Z","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"},{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:21.741399Z"}]}}