{"id":"CVE-2026-66276","published":"2026-08-05T07:16:37.847","lastModified":"2026-08-07T13:04:33.290","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.\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":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-606"],"vendors":["apache"],"products":["qpid proton-j"],"references":[{"url":"https://lists.apache.org/thread/14nj0lpsqpnd3q0hw0t0tw44qvdo1jc2","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/12","tags":["Mailing List","Third Party Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":null}