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Posted to users@qpid.apache.org by "Timothy A. Bish" <ta...@apache.org> on 2026/08/04 18:48:22 UTC

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

Severity: important 

Affected versions:

- Apache Qpid ProtonJ2 (org.apache.qpid:protonj2) through 1.1.0

Description:

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.

Credit:

Apache Qpid security team (finder)
xxy010605@gmail.com (reporter)

References:

https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-67589


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