{"id":"USN-4466-1","summary":"curl vulnerability","details":"Marc Aldorasi discovered that curl incorrectly handled the libcurl\nCURLOPT_CONNECT_ONLY option. This could result in data being sent to the\nwrong destination, possibly exposing sensitive information.\n","modified":"2026-02-10T04:41:54Z","published":"2020-08-19T11:33:56Z","related":["UBUNTU-CVE-2020-8231"],"upstream":["CVE-2020-8231","UBUNTU-CVE-2020-8231"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4466-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8231"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/curl@7.47.0-1ubuntu2.16?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.47.0-1ubuntu2.16"}]}],"versions":["7.43.0-1ubuntu2","7.45.0-1ubuntu1","7.46.0-1ubuntu1","7.47.0-1ubuntu1","7.47.0-1ubuntu2","7.47.0-1ubuntu2.1","7.47.0-1ubuntu2.2","7.47.0-1ubuntu2.3","7.47.0-1ubuntu2.4","7.47.0-1ubuntu2.5","7.47.0-1ubuntu2.6","7.47.0-1ubuntu2.7","7.47.0-1ubuntu2.8","7.47.0-1ubuntu2.9","7.47.0-1ubuntu2.11","7.47.0-1ubuntu2.12","7.47.0-1ubuntu2.13","7.47.0-1ubuntu2.14","7.47.0-1ubuntu2.15"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"curl"},{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"libcurl3"},{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"libcurl3-gnutls"},{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"libcurl3-nss"},{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"libcurl4-gnutls-dev"},{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"libcurl4-nss-dev"},{"binary_version":"7.47.0-1ubuntu2.16","binary_name":"libcurl4-openssl-dev"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"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":"low","type":"Ubuntu"}],"id":"CVE-2020-8231"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4466-1.json"}},{"package":{"name":"curl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/curl@7.58.0-2ubuntu3.10?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.10"}]}],"versions":["7.55.1-1ubuntu2","7.55.1-1ubuntu2.1","7.57.0-1ubuntu1","7.58.0-2ubuntu1","7.58.0-2ubuntu2","7.58.0-2ubuntu3","7.58.0-2ubuntu3.1","7.58.0-2ubuntu3.2","7.58.0-2ubuntu3.3","7.58.0-2ubuntu3.5","7.58.0-2ubuntu3.6","7.58.0-2ubuntu3.7","7.58.0-2ubuntu3.8","7.58.0-2ubuntu3.9"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"curl"},{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"libcurl3-gnutls"},{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"libcurl3-nss"},{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"libcurl4"},{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"libcurl4-gnutls-dev"},{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"libcurl4-nss-dev"},{"binary_version":"7.58.0-2ubuntu3.10","binary_name":"libcurl4-openssl-dev"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"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":"low","type":"Ubuntu"}],"id":"CVE-2020-8231"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4466-1.json"}},{"package":{"name":"curl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/curl@7.68.0-1ubuntu2.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.68.0-1ubuntu2.2"}]}],"versions":["7.65.3-1ubuntu3","7.65.3-1ubuntu4","7.66.0-1ubuntu1","7.67.0-2ubuntu1","7.68.0-1ubuntu1","7.68.0-1ubuntu2","7.68.0-1ubuntu2.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"curl"},{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"libcurl3-gnutls"},{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"libcurl3-nss"},{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"libcurl4"},{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"libcurl4-gnutls-dev"},{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"libcurl4-nss-dev"},{"binary_version":"7.68.0-1ubuntu2.2","binary_name":"libcurl4-openssl-dev"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"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":"low","type":"Ubuntu"}],"id":"CVE-2020-8231"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4466-1.json"}}],"schema_version":"1.7.3"}