What is CVE-2021-28667?

CVE-2021-28667 is a high-severity vulnerability in Python, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2021-03-18.

How severe is CVE-2021-28667?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Python

CVE-2021-28667

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).

EPSS: 0.023 (81.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Python
Stackstorm
N/a — versions n/a

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-28667?: CVE-2021-28667 is a high-severity vulnerability in Python, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2021-03-18.
How severe is CVE-2021-28667?: High severity. CVSS v3 base score is 7.5 out of 10.