Apache ActiveMQ < 5.19.2 / 6.0.x < 6.1.9 / 6.2.0 MQTT Control Packet Validation Vulnerability (CVE-2025-66168)

The version of Apache ActiveMQ running on the remote host is prior to 5.19.2, 6.0.x prior to 6.1.9, or 6.2.0. It is, therefore, affected by a vulnerability: - Apache ActiveMQ does not properly validate the remaining length field in MQTT control packets which may lead to an integer overflow during...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound when decoding malformed MQTT packets, due to improper validation of the Remaining Length. An attacker can cause the broker to misinterpret payloads as multiple MQTT control packets by sending malicious...

Integer Overflow or Wraparound

Overview org.apache.activemq:activemq-all is a package that puts together an ActiveMQ jar bundle. Affected versions of this package are vulnerable to Integer Overflow or Wraparound when decoding malformed MQTT packets, due to improper validation of the Remaining Length. An attacker can cause the...

Apache ActiveMQ is Vulnerable to Integer Overflow or Wraparound

Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT...

EUVD-2025-208266

Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT...

GHSA-C825-6PH3-4H84 Apache ActiveMQ is Vulnerable to Integer Overflow or Wraparound

Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT...

DEBIAN-CVE-2025-66168

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

CVE-2025-66168

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

UBUNTU-CVE-2025-66168

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

CVE-2025-66168

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

CVE-2025-66168 Apache ActiveMQ, Apache ActiveMQ All Module, Apache ActiveMQ MQTT Module: MQTT control packet remaining length field is not properly validated

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

CVE-2025-66168 Apache ActiveMQ, Apache ActiveMQ All Module, Apache ActiveMQ MQTT Module: MQTT control packet remaining length field is not properly validated

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

CVE-2025-66168 Apache ActiveMQ, Apache ActiveMQ All Module, Apache ActiveMQ MQTT Module: MQTT control packet remaining length field is not properly validated

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

CVE-2025-66168

Apache ActiveMQ does not properly validate the remaining length field which may lead to an overflow during the decoding of malformed packets. When this integer overflow occurs, ActiveMQ may incorrectly compute the total Remaining Length and subsequently misinterpret the payload as multiple MQTT...

CVE-2025-66168

CVE-2025-66168 concerns an integer overflow in MQTT Remaining Length handling in Apache ActiveMQ. The root cause is improper validation of the MQTT Remaining Length field, which can cause an overflow during decoding of malformed packets, leading to misinterpretation of the payload as multiple MQT...

CVE-2025-66168

WARNING: Users of 6.x should upgrade to 6.2.4 or later as the fix was missed in previous 6.x releases. See the following for more details: https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt https://vulners.com/cve/CVE-2026-40046 Original Report: Apache ActiveMQ...

Apache ActiveMQ 安全漏洞

Apache ActiveMQ is an open-source messaging middleware developed by the Apache Foundation in the United States. It supports Java Message Service, clustering, Spring Framework, etc. Versions of Apache ActiveMQ prior to 5.19.2, as well as versions 6.0.0 to 6.1.8 and 6.2.0, have security...

PT-2026-22886

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions prior to 5.19.2 Apache ActiveMQ versions 6.0.0 through 6.1.8 Apache ActiveMQ version 6.2.0 Description Apache ActiveMQ fails to properly validate the remaining length field, which can lead to an integer overflow during...

PT-2026-31651

Name of the Vulnerable Software and Affected Versions Apache ActiveMQ versions 6.0.0 through 6.1.8, 6.2.0, and prior to 5.19.2 Description An integer overflow or wraparound issue exists in Apache ActiveMQ when decoding malformed packets. This occurs due to improper validation of the remaining...

kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length

In the Linux kernel, the following vulnerability has been resolved: smb: client: let recvdone verify dataoffset, datalength and remainingdatalength This is inspired by the related server fixes...