{"id":"UBUNTU-CVE-2019-13207","details":"nsd-checkzone in NLnet Labs NSD 4.2.0 has a Stack-based Buffer Overflow in the dname_concatenate() function in dname.c.","modified":"2026-06-25T19:15:18.054729157Z","published":"2019-07-03T20:15:00Z","upstream":["CVE-2019-13207"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-13207"},{"type":"REPORT","url":"https://github.com/NLnetLabs/nsd/issues/20"},{"type":"REPORT","url":"https://github.com/NLnetLabs/nsd/commit/91102da24d5949ccfec8fdab5bae2d01c4cabab5"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-13207"}],"affected":[{"package":{"name":"nsd","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.2-1","4.1.6-1","4.1.7-1","4.1.7-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.7-1ubuntu0.1~esm1","binary_name":"nsd"},{"binary_version":"4.1.7-1ubuntu0.1~esm1","binary_name":"nsd3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}},{"package":{"name":"nsd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.16-1build1","4.1.17-1","4.1.17-1build1","4.1.17-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"nsd","binary_version":"4.1.17-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}},{"package":{"name":"nsd","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.26-1","4.1.26-1build1","4.1.26-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"nsd","binary_version":"4.1.26-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}},{"package":{"name":"nsd","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3.5-1","4.3.7-1","4.3.8-1","4.3.8-1build1","4.3.9-1","4.3.9-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"nsd","binary_version":"4.3.9-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}},{"package":{"name":"nsd","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.7.0-1","4.8.0-1","4.8.0-1build1","4.8.0-1build3","4.8.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.8.0-1ubuntu0.1~esm1","binary_name":"nsd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}},{"package":{"name":"nsd","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.11.1-1","4.12.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"nsd","binary_version":"4.12.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}},{"package":{"name":"nsd","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/nsd?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.12.0-1","4.13.0-6","4.14.0-1","4.14.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"nsd","binary_version":"4.14.0-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-13207.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}