{"id":"USN-4268-1","summary":"OpenSMTPD vulnerability","details":"It was discovered that OpenSMTPD incorrectly verified the sender's or\nreceiver's e-mail addresses under certain conditions. An attacker could use\nthis vulnerability to execute arbitrary commands as root.\n","modified":"2026-02-10T04:41:46Z","published":"2020-02-05T13:48:24Z","related":["UBUNTU-CVE-2020-7247"],"upstream":["CVE-2020-7247","UBUNTU-CVE-2020-7247"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4268-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-7247"}],"affected":[{"package":{"name":"opensmtpd","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/opensmtpd@6.0.3p1-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3p1-1ubuntu0.1"}]}],"versions":["6.0.2p1-2build1","6.0.3p1-1","6.0.3p1-1build1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"opensmtpd","binary_version":"6.0.3p1-1ubuntu0.1"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-7247","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4268-1.json"}}],"schema_version":"1.7.3"}