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CVE-2026-53916

Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codec

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.19.8, 6.2.7
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • org.apache.activemq:apache-activemq

    fixed in 5.19.8; From 6.0.0 · fixed in 6.2.7

  • org.apache.activemq:activemq-all

    fixed in 5.19.8; From 6.0.0 · fixed in 6.2.7

  • org.apache.activemq:activemq-stomp

    fixed in 5.19.8; From 6.0.0 · fixed in 6.2.7

References 1

lists.apache.org