Improper Validation of Specified Quantity in Input Affecting org.apache.activemq:activemq-all package, versions [,5.19.9)[6.0.0,6.2.8)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Aug 2026
- disclosed28 Jul 2026
- creditzx (Jace)
Introduced: 28 Jul 2026
CVE-2026-59878 (opens in a new tab)How to fix?
Upgrade org.apache.activemq:activemq-all to version 5.19.9, 6.2.8 or higher.
Overview
org.apache.activemq:activemq-all is a package that puts together an ActiveMQ jar bundle.
Affected versions of this package are vulnerable to Improper Validation of Specified Quantity in Input in AmqpFrameParser and AmqpWireFormat in the AMQP NIO transport. An attacker can cause a denial of service by sending a malformed AMQP frame with a negative or otherwise invalid frame size value. The parser accepts the attacker-supplied size before allocating and reading the frame, and a remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger NIO thread failures by repeatedly sending such frames. If done rapidly enough, the NIO thread pool is exhausted and other connections lose service.