{"id":"CVE-2026-67590","published":"2026-08-05T07:16:38.613","lastModified":"2026-08-07T20:24:27.873","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 ProtonJ2: through 1.1.0.\n\nUsers are recommended to upgrade to version 1.2.0, which fixes the issue.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-674"],"vendors":["apache"],"products":["qpid protonj2"],"references":[{"url":"https://lists.apache.org/thread/kmov6k7f3moqy01m1s370fl61vgos3ly","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/29","tags":["Mailing List","Third Party Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw allows a pre-authentication attacker to cause a StackOverflowError through type nesting, potentially leading to denial of service.","exploitability":"Exploitation requires pre-existing access and specific conditions; it is moderately difficult.","blast_radius":"If exploited, the impact could be significant as it may lead to service disruption for affected systems.","remediation":"Upgrade to Apache Qpid ProtonJ2 version 1.2.0 immediately.","tags":["dos","type-nesting","apache-qpid"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-08-11T06:57:58.921Z"}}