Memory Allocation with Excessive Size Value Affecting org.apache.qpid:protonj2 package, versions [,1.2.0)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.49% (41st percentile)

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  • Snyk IDSNYK-JAVA-ORGAPACHEQPID-19317495
  • published27 Aug 2026
  • disclosed5 Aug 2026
  • creditxxy010605

Introduced: 5 Aug 2026

NewCVE-2026-67589  (opens in a new tab)
CWE-789  (opens in a new tab)

How to fix?

Upgrade org.apache.qpid:protonj2 to version 1.2.0 or higher.

Overview

Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via improper handling of type size and count during the pre-authentication process. An attacker can trigger excessive memory allocation by sending specially crafted input, potentially leading to resource exhaustion and service disruption.

CVSS Base Scores

version 4.0
version 3.1