CVE-2026-67589 — Apache Qpid ProtonJ2: Type size/count handling can lead to excessive allocation pre-authentication

CVE-2026-67589

Apache Qpid ProtonJ2: Type size/count handling can lead to excessive allocation pre-authentication PUBLISHED

Description (CNA)

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.

Affected (CNA)

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

CWE

CWE-789

References

https://lists.apache.org/thread/bs24x4778dh72xtfs299cy8krvdlo47q

ADP enrichment

CVE

No English description supplied.

http://www.openwall.com/lists/oss-security/2026/08/04/28

CISA-ADP

No English description supplied.

No references supplied.