{"id":"CVE-2018-5742","aliases":["EUVD-2018-17511","GHSA-r4vj-82q4-crg5","RHSA-2019:0194"],"status":"published","title":"An oversight while backporting a feature leads to an assertion failure in buffer.c:420","description":"While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -\u003e bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.","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":0.01575,"percentile":0.75616,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-617"],"published":"2019-10-30T13:43:12Z","modified":"2026-06-26T12:22:07Z","fixes":[{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"bind","fixed_in":["32:9.9.4-73.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"bind-debuginfo","fixed_in":["32:9.9.4-73.el7_6"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:7::client","package":"bind-libs","fixed_in":["32:9.9.4-73.el7_6"],"sources":["osv"]},{"ecosystem":"Red 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Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5742","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r4vj-82q4-crg5"},{"url":"https://access.redhat.com/errata/RHSA-2019:0194","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1655844","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_0194.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-5742","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-5742","tags":["advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2018/12/19/6","tags":["article"]}],"sources":{"cve":[{"id":"CVE-2018-5742","title":"An oversight while backporting a feature leads to an assertion failure in buffer.c:420","description":"While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -\u003e bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.","status":"published","published":"2019-10-30T13:43:12.526Z","modified":"2024-09-17T03:53:09.481Z","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":"2026-11-02T14:35:00.948726Z"}],"euvd":[{"id":"EUVD-2018-17511","description":"While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -\u003e bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.","status":"published","published":"2019-10-30T13:43:12Z","modified":"2024-09-17T03:53:09Z","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":"2026-11-03T00:28:28.016201Z"}],"ghsa":[{"id":"GHSA-r4vj-82q4-crg5","title":"While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an...","description":"While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -\u003e bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.","status":"published","published":"2022-05-24T17:00:06Z","modified":"2023-01-28T05:07:34Z","updated_at":"2026-11-02T14:44:32.600172Z"}],"nvd":[{"id":"CVE-2018-5742","description":"While backporting a feature for a newer branch of BIND9, RedHat introduced a path leading to an assertion failure in buffer.c:420. Affects RedHat versions bind-9.9.4-65.el7 -\u003e bind-9.9.4-72.el7. No ISC releases are affected. Other packages from other distributions who made the same error may also be affected.","status":"published","published":"2019-10-30T14:15:11.27Z","modified":"2026-06-17T02:00:42.133Z","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":5.9,"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":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-617"],"updated_at":"2026-11-02T14:04:59.278647Z"}],"osv":[{"id":"RHSA-2019:0194","title":"Red Hat Security Advisory: bind security update","status":"published","published":"2024-09-16T02:00:05Z","modified":"2026-06-26T12:22:07.745402715Z","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":"2026-11-02T15:53:05.383061Z"}]}}