IBM MQ DoS (7271937)

high Nessus Plugin ID 313187

Synopsis

The remote web server is affected by a vulnerability.

Description

The version of IBM MQ Server running on the remote host is affected by a vulnerability as referenced in the 7271937 advisory.

- In jose4j before 0.9.6, an attacker can cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant memory allocation and processing time during decompression.
(CVE-2024-29371)

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

Solution

Upgrade to IBM MQ 9.1.0.36 LTS, 9.2.0.42 LTS, 9.3.0.40 LTS, 9.4.0.21 LTS, 9.4.5.1, 9.4.5.1 CD or later.

See Also

https://www.ibm.com/support/pages/node/7271937

Plugin Details

Severity: High

ID: 313187

File Name: ibm_mq_7271937.nasl

Version: 1.1

Type: Local

Agent: windows, macosx, unix

Family: Misc.

Published: 5/8/2026

Updated: 5/8/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2024-29371

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/a:ibm:mq, cpe:/a:ibm:websphere_mq

Required KB Items: installed_sw/IBM WebSphere MQ

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/7/2026

Vulnerability Publication Date: 12/17/2025

Reference Information

CVE: CVE-2024-29371