{"id":"UBUNTU-CVE-2016-20011","details":"libgrss through 0.7.0 fails to perform TLS certificate verification when downloading feeds, allowing remote attackers to manipulate the contents of feeds without detection. This occurs because of the default behavior of SoupSessionSync.","modified":"2025-10-24T04:46:01Z","published":"2021-05-25T21:15:00Z","upstream":["CVE-2016-20011"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-20011"},{"type":"REPORT","url":"https://bugzilla.gnome.org/show_bug.cgi?id=772647"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libgrss/-/issues/4"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-20011"}],"affected":[{"package":{"name":"libgrss","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libgrss@0.7.0-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.0-3","0.7.0-1","0.7.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.0-2","binary_name":"gir1.2-grss-0.7"},{"binary_version":"0.7.0-2","binary_name":"libgrss-dev"},{"binary_version":"0.7.0-2","binary_name":"libgrss0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20011.json"}},{"package":{"name":"libgrss","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libgrss@0.7.0-2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.0-2","binary_name":"gir1.2-grss-0.7"},{"binary_version":"0.7.0-2","binary_name":"libgrss-dev"},{"binary_version":"0.7.0-2","binary_name":"libgrss0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20011.json"}},{"package":{"name":"libgrss","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libgrss@0.7.0-2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.0-2","binary_name":"gir1.2-grss-0.7"},{"binary_version":"0.7.0-2","binary_name":"libgrss-dev"},{"binary_version":"0.7.0-2","binary_name":"libgrss0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20011.json"}},{"package":{"name":"libgrss","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libgrss@0.7.0-2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.0-2","binary_name":"gir1.2-grss-0.7"},{"binary_version":"0.7.0-2","binary_name":"libgrss-dev"},{"binary_version":"0.7.0-2","binary_name":"libgrss0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20011.json"}},{"package":{"name":"libgrss","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libgrss@0.7.0-2.1build2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-2","0.7.0-2build1","0.7.0-2.1build1","0.7.0-2.1build2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.7.0-2.1build2","binary_name":"gir1.2-grss-0.7"},{"binary_version":"0.7.0-2.1build2","binary_name":"libgrss-dev"},{"binary_version":"0.7.0-2.1build2","binary_name":"libgrss0t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-20011.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}