{"id":"USN-5257-2","summary":"ldns vulnerabilities","details":"USN-5257-1 fixed several vulnerabilities in ldns. This update provides\nthe corresponding update for Ubuntu 20.04 ESM and Ubuntu 22.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that ldns incorrectly handled certain inputs.\n An attacker could possibly use this issue to expose sensitive information.\n (CVE-2020-19860, CVE-2020-19861)\n","modified":"2026-04-27T14:58:05.120065Z","published":"2022-10-04T22:57:36Z","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-5257-2"},{"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:20.04:LTS","purl":"pkg:deb/ubuntu/ldns@1.7.0-4.1ubuntu1+esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-4.1ubuntu1+esm1"}]}],"versions":["1.7.0-3ubuntu8","1.7.0-4","1.7.0-4ubuntu1","1.7.0-4.1ubuntu1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"ldnsutils","binary_version":"1.7.0-4.1ubuntu1+esm1"},{"binary_name":"libldns2","binary_version":"1.7.0-4.1ubuntu1+esm1"},{"binary_name":"python-ldns","binary_version":"1.7.0-4.1ubuntu1+esm1"},{"binary_name":"python3-ldns","binary_version":"1.7.0-4.1ubuntu1+esm1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-19860","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-19861","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5257-2.json"}},{"package":{"name":"ldns","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/ldns@1.7.1-2ubuntu4+esm1?arch=source&distro=esm-apps/jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.1-2ubuntu4+esm1"}]}],"versions":["1.7.1-2build1","1.7.1-2ubuntu1","1.7.1-2ubuntu3","1.7.1-2ubuntu4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"1.7.1-2ubuntu4+esm1","binary_name":"ldnsutils"},{"binary_name":"libldns3","binary_version":"1.7.1-2ubuntu4+esm1"},{"binary_name":"python3-ldns","binary_version":"1.7.1-2ubuntu4+esm1"}]},"database_specific":{"cves_map":{"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"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2020-19861","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5257-2.json"}}],"schema_version":"1.7.5"}