CVE-2021-46509: High severity mjs vulnerability

Published Jan 27, 2022
·
Updated

Cesanta MJS v2.20.0 was discovered to contain a stack overflow via snquote at mjs/src/mjsjson.c.

Affected Software

1 affected component
Cesanta mJS=2.20.0

Event History

Jan 27, 2022
CVE Published
via MITRE·08:22 PM
Data Sourced
via MITRE·08:22 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2021-46509?

CVE-2021-46509 is considered a high severity vulnerability due to the potential for a stack overflow, which can lead to arbitrary code execution.

2

How do I fix CVE-2021-46509?

To mitigate CVE-2021-46509, users should upgrade Cesanta MJS to the latest version that addresses this vulnerability.

3

What versions of MJS are affected by CVE-2021-46509?

CVE-2021-46509 specifically affects Cesanta MJS version 2.20.0.

4

Does CVE-2021-46509 affect other versions of MJS?

CVE-2021-46509 has been reported to specifically affect version 2.20.0 and may not apply to earlier versions.

5

What is the impact of CVE-2021-46509 on system security?

The impact of CVE-2021-46509 on system security includes the possibility of remote code execution, leading to potential system compromise.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203