CVE-2021-28667
HIGH
7.5
CVSS Score
Published: March 18, 2021 at 02:16 AM UTC
Updated: June 17, 2026 at 03:46 AM UTC
1 product affected across 1 vendorStackStorm· also runs on 1 platform
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 3.4.1
Affected range stops below 3.4.1, so it looks safe — our inference, not a vendor statement
python-python (environment)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://stackstorm.com/2021/03/10/stackstorm-v3-4-1-security-fix/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-835
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