{"id":"CVE-2026-66257","published":"2026-08-05T06:16:38.423","lastModified":"2026-08-07T12:38:29.910","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion leading to denial of service.\n\nThis issue affects Apache Qpid Proton-J: through 0.34.1.\n\nUsers are recommended to upgrade to version 0.35.0, which fixes the issue.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-770"],"vendors":["apache"],"products":["qpid proton-j"],"references":[{"url":"https://lists.apache.org/thread/dnczt6bgfcq2x6q8ljco177h1qmv59fm","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/8","tags":["Mailing List","Third Party Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw allows a pre-authentication attacker to cause resource exhaustion by leveraging unbounded symbol value caching, leading to potential denial of service.","exploitability":"Exploitation requires access to the affected version and could be moderately difficult due to the need for precise timing and input manipulation.","blast_radius":"If exploited, this could result in significant service disruption affecting users relying on Apache Qpid Proton-J.","remediation":"Upgrade to Apache Qpid Proton-J version 0.35.0 immediately to mitigate the risk.","tags":["dos","cache-exploit","apache-qpid"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-08-11T06:56:16.136Z"}}