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Message-ID: <42e832cb-b31f-7053-0ff7-2201ba84c150@apache.org>
Date: Tue, 04 Aug 2026 17:50:55 +0000
From: Robbie Gemmell <robbie@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-66276: Apache Qpid Proton-J: Unbounded disposition range
handling can lead to denial of service
Severity: important
Affected versions:
- Apache Qpid Proton-J (org.apache.qpid:proton-j) through 0.34.1
Description:
An authenticated attacker can craft a disposition frame with large or illegal ranges causing excessive CPU usage due to naive range handling, leading to denial of service.
This issue affects Apache Qpid Proton-J: through 0.34.1.
Users are recommended to upgrade to version 0.35.0, which fixes the issue.
References:
https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-66276
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