Debian dla-4714 : libmodbus-dev - security update

critical Nessus Plugin ID 331608

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dla-4714 advisory.

- ------------------------------------------------------------------------- Debian LTS Advisory DLA-4714-1 [email protected] https://www.debian.org/lts/security/ Thorsten Alteholz August 01, 2026 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : libmodbus Version : 3.1.6-2.1+deb12u1 CVE ID : CVE-2024-10918

An issue has been found in libmodbus, a library for the Modbus protocol.
The issue is related to a stack-based Buffer Overflow vulnerability, that allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length.

For Debian 12 bookworm, this problem has been fixed in version 3.1.6-2.1+deb12u1.

We recommend that you upgrade your libmodbus packages.

For the detailed security status of libmodbus please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libmodbus

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libmodbus-dev packages.

Plugin Details

Severity: Critical

ID: 331608

File Name: debian_DLA-4714.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 8/2/2026

Updated: 8/2/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2024-10918

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:libmodbus-dev, p-cpe:/a:debian:debian_linux:libmodbus5

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/1/2026

Vulnerability Publication Date: 2/27/2025

Reference Information

CVE: CVE-2024-10918

Detections

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