CVE-2026-44891 Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

EUVD-2026-45316

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891 Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

CVE-2026-44891: Uncontrolled Resource Consumption

Netty is a network application framework for development of protocol servers and clients. Prior to 4.1.136.Final and 4.2.16.Final, io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, and the maxLineLength parameter only...

GHSA-VHCH-2WF3-M8RP Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Summary The StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, allowing an attacker to cause an OutOfMemoryError, leading to a Denial of Service. Details io.netty.handler.codec.stomp.StompSubframeDecoder implements the STOMP protocol. The...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the StompSubframeDecoder process. An attacker can exhaust system memory and cause a server crash by sending a large number of short headers in a single STOMP frame, resulting ...

Netty: Denial of Service via Unbounded Headers in StompSubframeDecoder

Summary The StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame, allowing an attacker to cause an OutOfMemoryError, leading to a Denial of Service. Details io.netty.handler.codec.stomp.StompSubframeDecoder implements the STOMP protocol. The...

PT-2026-60063

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description The io.netty.handler.codec.stomp.StompSubframeDecoder fails to limit the total number of headers or their cumulative size per frame. While the maxLineLength...

OESA-2026-2922 activemq security update

The most popular and powerful open source messaging and Integration Patterns server. Security Fixes: Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. A remote unauthenticated peer that can reach an exposed STOMP connector can trigger...

BIT-ACTIVEMQ-2026-53916 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codec

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a STOMP NIO connection can send header bytes that never terminate which makes the broker buffer them without limit, exhausting the JVM hea...

BIT-ACTIVEMQ-2026-49432 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: STOMP negative content-length enables denial of service

Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. A remote unauthenticated peer that can reach an exposed STOMP connector can trigger denial-of-service behavior by sending a negative content-length. For the NIO STOMP transport, an attacker can...

Improper Authorization

Apache Artemis is vulnerable to Improper Authorization. The vulnerability is due to insufficient permission checks when handling STOMP routing types, which allows users with only send or consume permissions to modify or augment an address's routing type without the required createAddress permissi...

Apache ActiveMQ < 5.19.8 / 6.x < 6.2.7 Multiple Vulnerabilities

The version of Apache ActiveMQ running on the remote host is prior to 5.19.8 or 6.x prior to 6.2.7. It is, therefore, affected by multiple vulnerabilities: - Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. A remote unauthenticated peer that...

Linux Distros Unpatched Vulnerability : CVE-2026-53916

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a...

Apache ActiveMQ resource management error vulnerability (CNVD-2026-28241)

ActiveMQ is an open-source messaging middleware from Apache, used for message queues and asynchronous communication. There is a resource management vulnerability in Apache ActiveMQ. The vulnerability arises due to the STOMP NIO codec’s ability to infinitely buffer unterminated header bytes...

Linux Distros Unpatched Vulnerability : CVE-2026-49432

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. A remote unauthenticated peer that can reach an exposed...

CVE-2026-49432

A flaw was found in Apache ActiveMQ. A remote, unauthenticated attacker can exploit an improper input validation vulnerability by sending a specially crafted message with a negative content-length to an exposed STOMP connector. This can lead to a denial of service DoS condition, either by consumi...

Incorrect Calculation of Buffer Size

Overview org.apache.activemq:activemq-all is a package that puts together an ActiveMQ jar bundle. Affected versions of this package are vulnerable to Incorrect Calculation of Buffer Size via the STOMP protocol when a remote unauthenticated peer sends a negative content-length value. An attacker c...

Incorrect Calculation of Buffer Size

Overview Affected versions of this package are vulnerable to Incorrect Calculation of Buffer Size via the STOMP protocol when a remote unauthenticated peer sends a negative content-length value. An attacker can exhaust system resources or force abnormal connection closure by continuously streamin...