{"id":"UBUNTU-CVE-2019-14850","details":"A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, depending on the plugins configured on the server-side.","modified":"2026-04-22T12:11:10.791491Z","published":"2021-03-18T19:15:00Z","upstream":["CVE-2019-14850"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-14850"},{"type":"REPORT","url":"https://www.redhat.com/archives/libguestfs/2019-September/msg00084.html"},{"type":"REPORT","url":"https://github.com/libguestfs/nbdkit/commit/c05686f9577fa91b6a3a4d8c065954ca6fc3fd62"},{"type":"REPORT","url":"https://github.com/libguestfs/nbdkit/commit/a6b88b195a959b17524d1c8353fd425d4891dc5f"},{"type":"REPORT","url":"https://github.com/libguestfs/nbdkit/commit/e06cde00659ff97182173d0e33fff784041bcb4a"},{"type":"REPORT","url":"https://github.com/libguestfs/nbdkit/commit/bf0d61883a2f02f4388ec10dc92d4c61c093679e"},{"type":"REPORT","url":"https://github.com/libguestfs/nbdkit/commit/22b30adb796bb6dca264a38598f80b8a234ff978"},{"type":"REPORT","url":"https://github.com/libguestfs/nbdkit/commit/b2bc6683ea3cd1f6be694e8a681dfa411b7d15f3"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-14850"}],"affected":[{"package":{"name":"nbdkit","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/nbdkit@1.1.11-1build1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10-1","1.1.11-1","1.1.11-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.11-1build1","binary_name":"nbdkit"},{"binary_version":"1.1.11-1build1","binary_name":"nbdkit-plugin-guestfs"},{"binary_version":"1.1.11-1build1","binary_name":"nbdkit-plugin-libvirt"},{"binary_version":"1.1.11-1build1","binary_name":"nbdkit-plugin-perl"},{"binary_version":"1.1.11-1build1","binary_name":"nbdkit-plugin-python"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-14850.json"}},{"package":{"name":"nbdkit","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/nbdkit@1.16.2-1ubuntu3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.12.4-1","1.12.4-1build1","1.14.2-3","1.16.1-2","1.16.1-3","1.16.1-3ubuntu1","1.16.2-1ubuntu1","1.16.2-1ubuntu2","1.16.2-1ubuntu3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-guestfs"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-libvirt"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-lua"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-perl"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-python"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-ruby"},{"binary_version":"1.16.2-1ubuntu3","binary_name":"nbdkit-plugin-tcl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-14850.json"}},{"package":{"name":"nbdkit","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/nbdkit@1.24.1-2ubuntu4?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.24.1-2ubuntu1","1.24.1-2ubuntu2","1.24.1-2ubuntu3","1.24.1-2ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-guestfs"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-libvirt"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-lua"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-perl"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-python"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-ruby"},{"binary_version":"1.24.1-2ubuntu4","binary_name":"nbdkit-plugin-tcl"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-14850.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}