{"id":"USN-3853-1","summary":"gnupg2 vulnerability","details":"Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory\nlookups. A remote attacker could possibly use this issue to cause a denial\nof service, or perform Cross-Site Request Forgery attacks.\n","modified":"2026-02-10T04:41:28Z","published":"2019-01-10T17:44:53Z","related":["UBUNTU-CVE-2018-1000858"],"upstream":["CVE-2018-1000858","UBUNTU-CVE-2018-1000858"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3853-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1000858"}],"affected":[{"package":{"name":"gnupg2","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gnupg2@2.2.4-1ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.4-1ubuntu1.2"}]}],"versions":["2.1.15-1ubuntu8","2.2.4-1ubuntu1","2.2.4-1ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dirmngr","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gnupg","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gnupg-agent","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gnupg-l10n","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gnupg-utils","binary_version":"2.2.4-1ubuntu1.2"},{"binary_version":"2.2.4-1ubuntu1.2","binary_name":"gnupg2"},{"binary_name":"gpg","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpg-agent","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpg-wks-client","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpg-wks-server","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpgconf","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpgsm","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpgv","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpgv-static","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpgv-win32","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"gpgv2","binary_version":"2.2.4-1ubuntu1.2"},{"binary_name":"scdaemon","binary_version":"2.2.4-1ubuntu1.2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-1000858","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3853-1.json"}}],"schema_version":"1.7.3"}