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

CVE-2026-67591

Apache Qpid ProtonJ2: Incoming session flow control window can be exceeded PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache Qpid ProtonJ2	affected 0 through 1.1.0

CWE

CWE-770

References

https://lists.apache.org/thread/rwmggh2bkm6qotxpdfcplht3jgw5n036

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/08/04/30

CISA-ADP

No English description supplied.

No references supplied.