CVE-2018-20354: Use After Free

Published Jun 10, 2019
·
Updated

An invalid read of 8 bytes due to a use-after-free vulnerability during a "return" in the mghttpgetprotodata function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.13 and earlier allows a denial of service (application crash) or remote code execution.

Affected Software

1 affected component
Cesanta Mongoose<=6.13

Event History

Jun 10, 2019
CVE Published
via MITRE·04:21 PM
Data Sourced
via MITRE·04:21 PM
Description

Frequently Asked Questions

1

What is CVE-2018-20354?

CVE-2018-20354 is a vulnerability in the Cesanta Mongoose Embedded Web Server Library that allows for a denial of service or remote code execution.

2

How severe is CVE-2018-20354?

CVE-2018-20354 has a severity rating of critical, with a score of 9.8.

3

What software is affected by CVE-2018-20354?

The Cesanta Mongoose Embedded Web Server Library version 6.13 and earlier is affected by CVE-2018-20354.

4

What is the Common Weakness Enumeration (CWE) ID for CVE-2018-20354?

The CWE ID for CVE-2018-20354 is CWE-416.

5

How can I fix CVE-2018-20354?

To fix CVE-2018-20354, it is recommended to update to a patched version of the Cesanta Mongoose Embedded Web Server Library.

Company

Resources

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