CVE-2024-42387

Use of Out-of-range Pointer Offset in Mongoose Web Server library

Description

Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.

Remediation

Solution:

  • It is suggested to update the Mongoose Web Server library to v7.15.

Workaround:

  • It is highly recommended to not expose the vulnerable component inside an untrusted network.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory nozominetworks.com
Affected: Cesanta Mongoose Web Server
Published at:
Updated at:

References

Link Tags
https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-42387 third party advisory

Frequently Asked Questions

What is the severity of CVE-2024-42387?
CVE-2024-42387 has been scored as a medium severity vulnerability.
How to fix CVE-2024-42387?
To fix CVE-2024-42387: It is suggested to update the Mongoose Web Server library to v7.15.
Is CVE-2024-42387 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-42387 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-42387?
CVE-2024-42387 affects Cesanta Mongoose Web Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.