CVE-2024-36844

HIGH EPSS 44.5%

Published May 31, 20242y ago · Modified Jun 17, 20262w ago

7.5 CVSS 3.1

High

Published May 31, 2024 2y ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

7.5

Exploitability

3.9

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality None

Integrity None

Availability High

Threat Intelligence

EPSS Exploit Probability

44.5% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 1

Vendor	Product	Version	Range
libmodbus	libmodbus	3.1.6	any

References 2

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

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.