{"id":"USN-4662-1","summary":"openssl, openssl1.0 vulnerability","details":"David Benjamin discovered that OpenSSL incorrectly handled comparing\ncertificates containing a EDIPartyName name type. A remote attacker could\npossibly use this issue to cause OpenSSL to crash, resulting in a denial of\nservice.\n","modified":"2026-02-10T04:42:00Z","published":"2020-12-08T15:27:02Z","related":["UBUNTU-CVE-2020-1971"],"upstream":["CVE-2020-1971","UBUNTU-CVE-2020-1971"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4662-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-1971"}],"affected":[{"package":{"name":"openssl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.0.2g-1ubuntu4.18?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2g-1ubuntu4.18"}]}],"versions":["1.0.2d-0ubuntu1","1.0.2d-0ubuntu2","1.0.2e-1ubuntu1","1.0.2f-2ubuntu1","1.0.2g-1ubuntu2","1.0.2g-1ubuntu3","1.0.2g-1ubuntu4","1.0.2g-1ubuntu4.1","1.0.2g-1ubuntu4.2","1.0.2g-1ubuntu4.4","1.0.2g-1ubuntu4.5","1.0.2g-1ubuntu4.6","1.0.2g-1ubuntu4.8","1.0.2g-1ubuntu4.9","1.0.2g-1ubuntu4.10","1.0.2g-1ubuntu4.11","1.0.2g-1ubuntu4.12","1.0.2g-1ubuntu4.13","1.0.2g-1ubuntu4.14","1.0.2g-1ubuntu4.15","1.0.2g-1ubuntu4.16","1.0.2g-1ubuntu4.17"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.2g-1ubuntu4.18","binary_name":"libssl-dev"},{"binary_version":"1.0.2g-1ubuntu4.18","binary_name":"libssl1.0.0"},{"binary_version":"1.0.2g-1ubuntu4.18","binary_name":"openssl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4662-1.json","cves_map":{"cves":[{"id":"CVE-2020-1971","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"}}},{"package":{"name":"openssl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.1.1-1ubuntu2.1~18.04.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1ubuntu2.1~18.04.7"}]}],"versions":["1.0.2g-1ubuntu13","1.0.2g-1ubuntu14","1.0.2n-1ubuntu1","1.1.0g-2ubuntu1","1.1.0g-2ubuntu2","1.1.0g-2ubuntu3","1.1.0g-2ubuntu4","1.1.0g-2ubuntu4.1","1.1.0g-2ubuntu4.3","1.1.1-1ubuntu2.1~18.04.1","1.1.1-1ubuntu2.1~18.04.2","1.1.1-1ubuntu2.1~18.04.3","1.1.1-1ubuntu2.1~18.04.4","1.1.1-1ubuntu2.1~18.04.5","1.1.1-1ubuntu2.1~18.04.6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.1-1ubuntu2.1~18.04.7","binary_name":"libssl-dev"},{"binary_version":"1.1.1-1ubuntu2.1~18.04.7","binary_name":"libssl1.1"},{"binary_version":"1.1.1-1ubuntu2.1~18.04.7","binary_name":"openssl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4662-1.json","cves_map":{"cves":[{"id":"CVE-2020-1971","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"openssl1.0","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openssl1.0@1.0.2n-1ubuntu5.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.2n-1ubuntu5.5"}]}],"versions":["1.0.2n-1ubuntu2","1.0.2n-1ubuntu3","1.0.2n-1ubuntu4","1.0.2n-1ubuntu5","1.0.2n-1ubuntu5.1","1.0.2n-1ubuntu5.2","1.0.2n-1ubuntu5.3","1.0.2n-1ubuntu5.4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.2n-1ubuntu5.5","binary_name":"libssl1.0-dev"},{"binary_version":"1.0.2n-1ubuntu5.5","binary_name":"libssl1.0.0"},{"binary_version":"1.0.2n-1ubuntu5.5","binary_name":"openssl1.0"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4662-1.json","cves_map":{"cves":[{"id":"CVE-2020-1971","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"openssl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.1.1f-1ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1f-1ubuntu2.1"}]}],"versions":["1.1.1c-1ubuntu4","1.1.1d-2ubuntu3","1.1.1d-2ubuntu6","1.1.1f-1ubuntu1","1.1.1f-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.1f-1ubuntu2.1","binary_name":"libssl-dev"},{"binary_version":"1.1.1f-1ubuntu2.1","binary_name":"libssl1.1"},{"binary_version":"1.1.1f-1ubuntu2.1","binary_name":"openssl"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4662-1.json","cves_map":{"cves":[{"id":"CVE-2020-1971","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}}],"schema_version":"1.7.3"}