{"id":"UBUNTU-CVE-2016-2141","details":"It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks.","modified":"2026-05-20T16:03:13.681701998Z","published":"2016-06-30T16:59:00Z","upstream":["CVE-2016-2141"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2016-2141"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-2141"},{"type":"REPORT","url":"https://access.redhat.com/articles/2360521"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2016-2141"}],"affected":[{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-4","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}},{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-4","2.12.2.Final-5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-5","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}},{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-5","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}},{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-5","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}},{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-5","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}},{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-6"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-6","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}},{"package":{"name":"libjgroups-java","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libjgroups-java?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.12.2.Final-6"],"ecosystem_specific":{"binaries":[{"binary_version":"2.12.2.Final-6","binary_name":"libjgroups-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2141.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}