{"id":"CVE-2026-67552","aliases":["EUVD-2026-53084","GHSA-qwm2-w9f2-j6cg"],"status":"published","title":"Apache Qpid Proton Dotnet: Unbounded type nesting can lead to pre-authentication stackoverflow","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00774,"percentile":0.56188,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-674"],"published":"2026-08-05T05:32:58Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"apache","product":"qpid_proton-dotnet"},{"vendor":"apache software foundation","product":"apache qpid proton dotnet"}],"references":[{"url":"https://lists.apache.org/thread/4dyg0gycrv55ox4oywqght61b053g8xj","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/23","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-67552","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qwm2-w9f2-j6cg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67552.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-67552","title":"Apache Qpid Proton Dotnet: Unbounded type nesting can lead to pre-authentication stackoverflow","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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","status":"published","published":"2026-08-05T05:32:58.378Z","modified":"2026-08-06T15:37:28.47Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:20:06.562031Z"}],"euvd":[{"id":"EUVD-2026-53084","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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","status":"published","published":"2026-08-05T05:32:58Z","modified":"2026-08-06T15:37:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T18:02:08.101336Z"}],"ghsa":[{"id":"GHSA-qwm2-w9f2-j6cg","title":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError...","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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","status":"published","published":"2026-08-05T09:31:15Z","modified":"2026-08-07T00:32:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:10:11.041675Z"}],"nvd":[{"id":"CVE-2026-67552","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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","status":"published","published":"2026-08-05T07:16:38.103Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-67552","title":"Apache Qpid Proton Dotnet: Unbounded type nesting can lead to pre-authentication stackoverflow","description":"A pre-authentication attacker could leverage type nesting to cause a StackOverflowError 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","status":"published","published":"2026-08-05T05:32:58.378Z","modified":"2026-10-28T02:30:52.944359849Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:45:14.46177Z"}]}}