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Message-ID: <f3ec07bd-141c-83f9-dc54-499ec0bbf87a@apache.org>
Date: Tue, 04 Aug 2026 18:47:56 +0000
From: "Timothy A. Bish" <tabish@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-67588: Apache Qpid ProtonJ2: Unbounded symbol value
caching can lead to pre-authentication resource exhaustion
Severity: important
Affected versions:
- Apache Qpid ProtonJ2 (org.apache.qpid:protonj2) through 1.1.0
Description:
A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.
References:
https://qpid.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-67588
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