A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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.
History

Thu, 06 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 05 Aug 2026 07:15:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache qpid Proton-j
Vendors & Products Apache
Apache qpid Proton-j

Wed, 05 Aug 2026 05:30:00 +0000

Type Values Removed Values Added
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 Proton-J: through 0.34.1. Users are recommended to upgrade to version 0.35.0, which fixes the issue.
Title Apache Qpid Proton-J: Unbounded symbol value caching can lead to pre-authentication resource exhaustion
Weaknesses CWE-770
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published: 2026-08-05T05:18:01.606Z

Updated: 2026-08-06T13:13:32.455Z

Reserved: 2026-07-24T10:40:01.653Z

Link: CVE-2026-66257

cve-icon Vulnrichment

Updated: 2026-08-05T06:57:48.883Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-05T06:16:38.423

Modified: 2026-08-07T12:38:29.910

Link: CVE-2026-66257

cve-icon Redhat

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