{"id":"USN-4986-4","summary":"rpcbind regression","details":"USN-4986-1 fixed a vulnerability in rpcbind. The update caused a regression\nresulting in rpcbind crashing in certain environments. This update fixes\nthe problem for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that rpcbind incorrectly handled certain large data\n sizes. A remote attacker could use this issue to cause rpcbind to consume\n resources, leading to a denial of service.\n","modified":"2026-05-20T16:03:07.851989190Z","published":"2021-06-10T20:52:29Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4986-4"},{"type":"REPORT","url":"https://launchpad.net/bugs/1931507"}],"affected":[{"package":{"name":"rpcbind","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/rpcbind?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-2ubuntu2.2+esm2"}]}],"versions":["0.2.0-8.2ubuntu2","0.2.1-2ubuntu1","0.2.1-2ubuntu2.1","0.2.1-2ubuntu2.2","0.2.1-2ubuntu2.2+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"rpcbind","binary_version":"0.2.1-2ubuntu2.2+esm2"}]},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4986-4.json"}},{"package":{"name":"rpcbind","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/rpcbind?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.3-0.2ubuntu0.16.04.1+esm2"}]}],"versions":["0.2.1-6ubuntu4","0.2.3-0.2","0.2.3-0.2ubuntu0.1","0.2.3-0.2ubuntu0.16.04.1","0.2.3-0.2ubuntu0.16.04.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"0.2.3-0.2ubuntu0.16.04.1+esm2","binary_name":"rpcbind"}]},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4986-4.json"}}],"schema_version":"1.7.5"}