Description
StackStorm before 3.4.1, in some situations, has an infinite loop that consumes all available memory and disk space. This can occur if Python 3.x is used, the locale is not utf-8, and there is an attempt to log Unicode data (from an action or rule name).
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://stackstorm.com/2021/03/10/stackstorm-v3-4-1-security-fix/
Scores
CVSS v3
7.5
EPSS
0.0067
EPSS Percentile
71.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-835
Status
published
Products (2)
pypi/st2client
0 - 3.4.1PyPI
stackstorm/stackstorm
< 3.4.1
Published
Mar 18, 2021
Tracked Since
Feb 18, 2026