CVE-2018-16848

MEDIUM

OpenStack Mistral <= 7.0.3 - Denial of Service via Nested Anchors in Workflow YAML

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1645332
Third Party Advisory x_refsource_misc
https://bugs.launchpad.net/mistral/+bug/1785657

Scores

CVSS v3 6.5
EPSS 0.0029
EPSS Percentile 52.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (2)
pypi/mistral 0 - 10.0.0PyPI
redhat/openstack-mistral < 7.0.3
Published Jun 15, 2020
Tracked Since Feb 18, 2026