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CVE-2026-67591: Apache Qpid ProtonJ2: Incoming session flow control window can be exceeded

medoss_secPublished 2026-08-04

<p>Posted by Timothy A. Bish on Aug 04</p>Severity: important <br /> <br /> Affected versions:<br /> <br /> - Apache Qpid ProtonJ2 (org.apache.qpid:protonj2) through 1.1.0<br /> <br /> Description:<br /> <br /> An authenticated attacker could exceed the session flow control incoming window potentially leading to denial of <br /> service.<br /> <br /> This issue affects Apache Qpid ProtonJ2: throug

Indicators of compromise

Original source: https://seclists.org/oss-sec/2026/q3/430