{"id":"PYSEC-2020-240","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":["CVE-2018-16848","GHSA-443j-6p7g-6v4w"],"modified":"2023-11-08T04:00:01.799069Z","published":"2020-06-15T15:15:00Z","references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1645332"},{"type":"WEB","url":"https://bugs.launchpad.net/mistral/+bug/1785657"}],"affected":[{"package":{"name":"mistral","ecosystem":"PyPI","purl":"pkg:pypi/mistral"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.4"}]}],"versions":["0","0.0.1","0.0.2","0.0.3","0.0.4","0.1","0.1.1","1.0.0","1.0.0.0b1","1.0.0.0b2","1.0.0.0b3","1.0.0.0rc1","1.0.0.0rc2","1.0.1","2.0.0","2.0.0.0b1","2.0.0.0b2","2.0.0.0b3","2.0.0.0rc1","2.0.0.0rc2","2.0.0.0rc3","3.0.0.0b1","3.0.2","4.0.0","4.0.0.0b1","4.0.0.0b2","4.0.0.0b3","4.0.0.0rc1","4.0.0.0rc2","4.0.1","4.0.2","5.0.0","5.0.0.0b1","5.0.0.0b2","5.0.0.0b3","5.0.0.0rc1","5.1.0","5.2.0","5.2.1","5.2.2","5.2.3","5.2.4","5.2.5","5.2.6","5.2.7","5.2.8","6.0.0","6.0.0.0b1","6.0.0.0b2","6.0.0.0b3","6.0.0.0rc1","6.0.1","6.0.2","6.0.3","6.0.4","6.0.5","6.0.6","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"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/mistral/PYSEC-2020-240.yaml"}}],"schema_version":"1.7.3"}