Bug 2511321 (CVE-2026-67589) - CVE-2026-67589 org.apache.qpid/protonj2: Apache Qpid ProtonJ2: Denial of Service via excessive memory allocation
Summary: CVE-2026-67589 org.apache.qpid/protonj2: Apache Qpid ProtonJ2: Denial of Serv...
Keywords:
Status: NEW
Alias: CVE-2026-67589
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-05 06:01 UTC by OSIDB Bzimport
Modified: 2026-08-05 06:06 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-08-05 06:01:20 UTC 
A pre-authentication attacker could leverage type size/count handling to cause excessive allocation leading to potential denial of service.

This issue affects Apache Qpid ProtonJ2: through 1.1.0.

Users are recommended to upgrade to version 1.2.0, which fixes the issue.
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