{"id":"CVE-2026-67553","summary":"Apache Qpid Proton Dotnet: Incoming session flow control window can be exceeded","details":"An authenticated attacker could exceed the session flow control incoming window potentially 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.","modified":"2026-08-12T03:51:44.311353447Z","published":"2026-08-05T05:37:29.095Z","database_specific":{"cna_assigner":"apache","cwe_ids":["CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67553.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"last_affected":"1.0.0"}]},{"extracted_events":[{"fixed":"1.0.0"}],"source":"DESCRIPTION"}]},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/08/04/24"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67553.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/hvsncmcbgjrn85crs909nf4y3dqqrywo"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67553"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/qpid-proton-dotnet","events":[{"introduced":"0"},{"fixed":"57cecabed730eb60b706e204fac7aacd7f101fad"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:apache:qpid_proton-dotnet:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.1.0"}]}}],"versions":["1.0.0","1.0.0-M11","1.0.0-M10","1.0.0-M9","1.0.0-M8","1.0.0-M7","1.0.0-M6","1.0.0-M5","1.0.0-M4","1.0.0-M3","1.0.0-M2","1.0.0-M1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67553.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}