CVE-2024-10918: libmodbus Stack Overflow (CVSS 4.8)

Description

Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length.

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CVSS v3.1 Score

4.8

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Weakness Type (CWE)

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
libmodbus	libmodbus	All

References

Other References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2024-10918 https://lists.debian.org/debian-lts-announce/2025/03/msg00010.html

Frequently Asked Questions

What is CVE-2024-10918? +

Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length. It has a CVSS v3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2024-10918? +

CVE-2024-10918 has a CVSS v3.1 score of 4.8 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-10918? +

CVE-2024-10918 affects products from libmodbus, specifically: libmodbus. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-10918? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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