CVE-2024-36844

7.5 HIGH

Published: May 31, 2024 Modified: November 03, 2025

Description

libmodbus v3.1.6 was discovered to contain a use-after-free via the ctx->backend pointer. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted message sent to the unit-test-server.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/stephane/libmodbus/issues/749

Source: cve@mitre.org

Exploit Issue Tracking Vendor Advisory

https://github.com/stephane/libmodbus/issues/749

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Issue Tracking Vendor Advisory

https://lists.debian.org/debian-lts-announce/2025/03/msg00010.html

Source: af854a3a-2127-422b-91ae-364da2661108

3 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.3%

56th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-416

Affected Vendors

libmodbus

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