Incorrect Calculation of Buffer Size Affecting org.apache.activemq:apache-activemq package, versions [,5.19.8)[6.0.0,6.2.7)
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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- published30 Jun 2026
- disclosed30 Jun 2026
- creditYoungjoon Kim
Introduced: 30 Jun 2026
NewCVE-2026-49432 (opens in a new tab)How to fix?
Upgrade org.apache.activemq:apache-activemq to version 5.19.8, 6.2.7 or higher.
Overview
org.apache.activemq:apache-activemq is a Message Broker and Client implementations.
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 streaming body bytes, causing the per-connection command buffer to exceed configured limits or triggering transport exception handling.