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CVE-2018-16848
A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted…
Medium6.5EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
- Denial of Service
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
openstack-mistral
- affected up to and including 7.0.3
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPImistralGHSA-443j-6p7g-6v4w (opens in a new tab)
References (2)
- https://bugzilla.redhat.com/show_bug.cgi?id=1645332 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugs.launchpad.net/mistral/+bug/1785657 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-443j-6p7g-6v4w (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-16848)Record last updated .