0.0
NA
CVE-2026-53916
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codec
Description

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 heap. This issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ Stomp: before 5.19.8, from 6.0.0 before 6.2.7. Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.

INFO

Published Date :

June 30, 2026, 9:49 a.m.

Last Modified :

June 30, 2026, 9:49 a.m.

Remotely Exploit :

No

Source :

apache
Affected Products

The following products are affected by CVE-2026-53916 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache activemq
Solution
Upgrade Apache ActiveMQ to a patched version to prevent heap exhaustion.
  • Upgrade Apache ActiveMQ to version 6.2.7 or 5.19.8.
  • Apply vendor patches if available for your version.
  • Monitor heap usage after upgrade.
  • Validate STOMP connection handling.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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The following list is the news that have been mention CVE-2026-53916 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.