{"id":"CVE-2018-16848","details":"A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.","aliases":["GHSA-443j-6p7g-6v4w","PYSEC-2020-240"],"modified":"2026-04-10T04:08:47.856976Z","published":"2020-06-15T15:15:09.427Z","references":[{"type":"ADVISORY","url":"https://bugs.launchpad.net/mistral/+bug/1785657"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1645332"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openstack/mistral","events":[{"introduced":"0"},{"last_affected":"24f8ef65d04e4acfb6df15d3544d08041b0a422b"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"7.0.3"}]}}],"versions":["0.0.1","0.0.2","0.0.3","0.0.4","0.1","0.1.1","1.0.0.0b1","1.0.0.0b2","1.0.0.0b3","1.0.0.0rc1","2.0.0.0b1","2.0.0.0b2","2.0.0.0b3","2.0.0.0rc1","2015.1.0b1","2015.1.0b2","2015.1.0b3","2015.1.0rc1","3.0.0.0b1","3.0.0.0b2","3.0.0.0b3","3.0.0.0rc1","4.0.0.0b1","4.0.0.0b2","4.0.0.0b3","4.0.0.0rc1","5.0.0","5.0.0.0b1","5.0.0.0b2","5.0.0.0b3","5.0.0.0rc1","6.0.0","6.0.0.0b1","6.0.0.0b2","6.0.0.0b3","6.0.0.0rc1","7.0.0","7.0.0.0b1","7.0.0.0b2","7.0.0.0b3","7.0.0.0rc1","7.0.1","7.0.2","7.0.3","juno-eol","poc"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16848.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}