Description
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.
Metrics
CVSS 3.1 6.5/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | openstack-mistral | up to and including 7.0.3 |
References
- https://bugs.launchpad.net/mistral/+bug/1785657Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1645332Issue Tracking, Vendor Advisory
- https://bugs.launchpad.net/mistral/+bug/1785657Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1645332Issue Tracking, Vendor Advisory
Timeline
- Published
- Jun 15, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified