{"id":"UBUNTU-CVE-2018-9234","details":"GnuPG 2.2.4 and 2.2.5 does not enforce a configuration in which key certification requires an offline master Certify key, which results in apparently valid certifications that occurred only with access to a signing subkey.","modified":"2026-02-04T02:28:08.604607Z","published":"2018-04-03T00:00:00Z","related":["USN-3675-1"],"upstream":["CVE-2018-9234"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-9234"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3675-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-9234"}],"affected":[{"package":{"name":"gnupg2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gnupg2@2.2.4-1ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4-1ubuntu1.1"}]}],"versions":["2.1.15-1ubuntu8","2.2.4-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"dirmngr"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gnupg"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gnupg-agent"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gnupg-l10n"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gnupg-utils"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gnupg2"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpg"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpg-agent"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpg-wks-client"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpg-wks-server"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpgconf"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpgsm"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpgv"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpgv-static"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpgv-win32"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"gpgv2"},{"binary_version":"2.2.4-1ubuntu1.1","binary_name":"scdaemon"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9234.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"low"}]}