{"id":"CVE-2026-67554","published":"2026-08-05T07:16:38.347","lastModified":"2026-08-07T13:07:08.170","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-Dotnet: through 1.0.0.\n\nUsers are recommended to upgrade to version 1.1.0, 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-dotnet"],"references":[{"url":"https://lists.apache.org/thread/5ndlowz29464ytj98gz9z9ljhwnmb2hm","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/25","tags":["Mailing List","Third Party Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":null}