{"id":"CVE-2026-67588","published":"2026-08-05T06:16:39.450","lastModified":"2026-08-07T20:40:16.760","description":"A pre-authentication attacker could leverage unbounded symbol value caching to cause resource exhaustion 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-770"],"vendors":["apache"],"products":["qpid protonj2"],"references":[{"url":"https://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt","tags":["Mailing List","Vendor Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/04/27","tags":["Mailing List","Third Party Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw involves unbounded symbol value caching which can lead to resource exhaustion and denial of service. This matters because attackers can exploit it without authentication.","exploitability":"Exploitation requires pre-authentication access but is relatively straightforward given the right conditions.","blast_radius":"If exploited, this could significantly impact availability by causing service disruptions for affected systems.","remediation":"Upgrade to Apache Qpid ProtonJ2 version 1.2.0 immediately to address the issue.","tags":["dos","authless","cache"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-08-11T06:56:38.909Z"}}