{"id":"CVE-2026-67554","aliases":["EUVD-2026-53092","GHSA-rvfm-5258-v4xj"],"status":"published","title":"Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service","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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00653,"percentile":0.5178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-606"],"published":"2026-08-05T05:41:26Z","modified":"2026-10-28T02:30:57Z","products":[{"vendor":"apache","product":"qpid_proton-dotnet"},{"vendor":"apache software foundation","product":"apache qpid proton dotnet"}],"references":[{"url":"https://lists.apache.org/thread/5ndlowz29464ytj98gz9z9ljhwnmb2hm","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/25","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67554","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rvfm-5258-v4xj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67554.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-67554","title":"Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service","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.","status":"published","published":"2026-08-05T05:41:26.552Z","modified":"2026-08-05T15:44:38.533Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-53092","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.","status":"published","published":"2026-08-05T05:41:26Z","modified":"2026-08-05T15:44:38Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:02:09.87889Z"}],"ghsa":[{"id":"GHSA-rvfm-5258-v4xj","title":"An authenticated attacker can craft a disposition frame with large or illegal ranges causing...","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.","status":"published","published":"2026-08-05T09:31:15Z","modified":"2026-08-05T18:31:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T15:10:07.328501Z"}],"nvd":[{"id":"CVE-2026-67554","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.","status":"published","published":"2026-08-05T07:16:38.347Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-67554","title":"Apache Qpid Proton Dotnet: Unbounded disposition range handling can lead to denial of service","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.","status":"published","published":"2026-08-05T05:41:26.552Z","modified":"2026-10-28T02:30:57.005255497Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T15:45:14.46177Z"}]}}