GitHub Advisoryadvisory · Maven

GHSA-xvqc-pp94-fmpx Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT vulnerable to Integer Overflow or Wraparound

MEDIUM Published 2026-04-09 Modified 2026-04-10 Official page ↗
Aliases
CVE-2026-40046
Ecosystem
Maven
Packages
org.apache.activemq:apache-activemq, org.apache.activemq:activemq-all, org.apache.activemq:activemq-mqtt
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-190
Reviewed
2026-04-10

Affected packages

• Maven org.apache.activemq:apache-activemq: >= 6.0.0, < 6.2.4 → fixed in 6.2.4 • Maven org.apache.activemq:activemq-all: >= 6.0.0, < 6.2.4 → fixed in 6.2.4 • Maven org.apache.activemq:activemq-mqtt: >= 6.0.0, < 6.2.4 → fixed in 6.2.4

Description

Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT. The fix for "CVE-2025-66168: MQTT control packet remaining length field is not properly validated" was only applied to 5.19.2 (and future 5.19.x) releases but was missed for all 6.0.0+ versions. This issue affects Apache ActiveMQ: from 6.0.0 before 6.2.4; Apache ActiveMQ All: from 6.0.0 before 6.2.4; Apache ActiveMQ MQTT: from 6.0.0 before 6.2.4. Users are recommended to upgrade to version 6.2.4 or a 5.19.x version starting with 5.19.2 or later (currently latest is 5.19.5), which fixes the issue.

Related

Alias · CVE (1)

  • CVE-2026-40046 Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT. vulnerability

Weakness · CWE (1)

  • CWE-190 Integer Overflow or Wraparound weakness

References