{"id":"USN-4000-1","summary":"corosync vulnerability","details":"It was discovered that Corosync incorrectly handled certain requests.\nAn attacker could possibly use this issue to cause a denial of service\nor execute arbitrary code.\n","modified":"2026-04-22T09:57:12.419929Z","published":"2019-05-30T15:03:11Z","related":["UBUNTU-CVE-2018-1084"],"upstream":["CVE-2018-1084","UBUNTU-CVE-2018-1084"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4000-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1084"}],"affected":[{"package":{"name":"corosync","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/corosync@2.3.5-3ubuntu2.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.5-3ubuntu2.3"}]}],"versions":["2.3.4-0ubuntu1","2.3.5-3","2.3.5-3ubuntu1","2.3.5-3ubuntu2","2.3.5-3ubuntu2.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"corosync","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"corosync-notifyd","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libcfg6","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libcmap4","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libcorosync-common4","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libcpg4","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libquorum5","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libsam4","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libtotem-pg5","binary_version":"2.3.5-3ubuntu2.3"},{"binary_name":"libvotequorum7","binary_version":"2.3.5-3ubuntu2.3"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1084"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4000-1.json"}},{"package":{"name":"corosync","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/corosync@2.4.3-0ubuntu1.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.3-0ubuntu1.1"}]}],"versions":["2.4.2-3build1","2.4.2-3ubuntu1","2.4.3-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"corosync","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"corosync-notifyd","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"corosync-qdevice","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"corosync-qnetd","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libcfg6","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libcmap4","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libcorosync-common4","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libcpg4","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libquorum5","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libsam4","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libtotem-pg5","binary_version":"2.4.3-0ubuntu1.1"},{"binary_name":"libvotequorum8","binary_version":"2.4.3-0ubuntu1.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1084"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4000-1.json"}}],"schema_version":"1.7.5"}