{"id":"USN-4986-4","aliases":[],"status":"published","title":"rpcbind regression","description":"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.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-06-10T20:52:29Z","modified":"2026-06-29T13:49:13Z","fixes":[{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"rpcbind","fixed_in":["0.2.1-2ubuntu2.2+esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"rpcbind","fixed_in":["0.2.3-0.2ubuntu0.16.04.1+esm2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"rpcbind","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"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"rpcbind","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"]}],"references":[{"url":"https://ubuntu.com/security/notices/USN-4986-4","tags":["advisory"]},{"url":"https://launchpad.net/bugs/1931507","tags":["report"]}],"sources":{"osv":[{"id":"USN-4986-4","title":"rpcbind regression","description":"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","status":"published","published":"2021-06-10T20:52:29Z","modified":"2026-06-29T13:49:13.756527764Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}