{"id":"CVE-2012-3371","aliases":["GHSA-xxgm-qpj5-4886"],"url":"https://o3.security/vulnerability/CVE-2012-3371","summary":"OpenStack Nova Scheduler denial of service through scheduler_hints","details":"The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.","published":"2012-07-17T21:55:02Z","modified":"2026-04-10T03:44:16.703391Z","cvss":null,"epss":{"score":0.01862,"percentile":0.77628,"asOf":"2026-08-22"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"PyPI","name":"nova","fixedVersion":"12.0.0a0"}],"fix":{"url":"https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d","label":"openstack/nova@034762e"},"references":[{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1501-1"},{"type":"EVIDENCE","url":"https://bugs.launchpad.net/nova/+bug/1017795"},{"type":"EVIDENCE","url":"https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2012/07/11/13"},{"type":"WEB","url":"http://www.securityfocus.com/bid/54388"},{"type":"WEB","url":"https://lists.launchpad.net/openstack/msg14452.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3371"},{"type":"PACKAGE","url":"https://github.com/openstack/nova"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2012-40.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:44:16.703391Z"}}