{"id":"USN-5257-1","summary":"ldns vulnerabilities","details":"It was discovered that ldns incorrectly handled certain inputs.\nAn attacker could possibly use this issue to expose sensitive information.\n(CVE-2020-19860, CVE-2020-19861)\n","modified":"2026-02-10T04:42:26Z","published":"2022-01-31T12:40:54Z","related":["UBUNTU-CVE-2020-19860","UBUNTU-CVE-2020-19861"],"upstream":["CVE-2020-19860","CVE-2020-19861","UBUNTU-CVE-2020-19860","UBUNTU-CVE-2020-19861"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5257-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-19860"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-19861"}],"affected":[{"package":{"name":"ldns","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ldns@1.6.17-8ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.17-8ubuntu0.1+esm1"}]}],"versions":["1.6.17-5","1.6.17-7","1.6.17-8","1.6.17-8ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.6.17-8ubuntu0.1+esm1","binary_name":"ldnsutils"},{"binary_version":"1.6.17-8ubuntu0.1+esm1","binary_name":"libldns-dev"},{"binary_version":"1.6.17-8ubuntu0.1+esm1","binary_name":"libldns1"},{"binary_version":"1.6.17-8ubuntu0.1+esm1","binary_name":"python-ldns"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2020-19860","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2020-19861","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5257-1.json"}},{"package":{"name":"ldns","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ldns@1.7.0-3ubuntu4.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-3ubuntu4.1"}]}],"versions":["1.7.0-1ubuntu1","1.7.0-3ubuntu1","1.7.0-3ubuntu2","1.7.0-3ubuntu4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.7.0-3ubuntu4.1","binary_name":"ldnsutils"},{"binary_version":"1.7.0-3ubuntu4.1","binary_name":"libldns-dev"},{"binary_version":"1.7.0-3ubuntu4.1","binary_name":"libldns2"},{"binary_version":"1.7.0-3ubuntu4.1","binary_name":"python-ldns"},{"binary_version":"1.7.0-3ubuntu4.1","binary_name":"python3-ldns"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2020-19860","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2020-19861","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5257-1.json"}}],"schema_version":"1.7.3"}