Bug 2511348 (CVE-2026-67591) - CVE-2026-67591 Apache Qpid ProtonJ2: Apache Qpid ProtonJ2: Denial of Service via exceeding session flow control window
Summary: CVE-2026-67591 Apache Qpid ProtonJ2: Apache Qpid ProtonJ2: Denial of Service ...
Keywords:
Status: NEW
Alias: CVE-2026-67591
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-05 07:01 UTC by OSIDB Bzimport
Modified: 2026-08-25 12:50 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-08-05 07:01:44 UTC 
An authenticated attacker could exceed the session flow control incoming window potentially leading to 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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