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{"bugzilla": {"description": "org.apache.qpid/protonj2: Apache Qpid ProtonJ2: Denial of Service via unbounded symbol value caching", "id": "2511324", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511324"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in Apache Qpid ProtonJ2. A remote, unauthenticated attacker could exploit an issue with unbounded symbol value caching. This could lead to resource exhaustion, causing a denial of service (DoS) for legitimate users."], "name": "CVE-2026-67588", "package_state": [{"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Affected", "package_name": "protonj2", "product_name": "Red Hat AMQ Clients"}], "public_date": "2026-08-05T05:21:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-67588\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-67588\nhttps://lists.apache.org/thread/vk4j02dzggfdrdkwvzmqo4jro2tgj0jt"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.1.0]"}}], "enrichment": {"confidence": 81.0, "confidence_source": "matching", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 81.0, "source": "matching"}]}, "original": {"product": "Apache Qpid ProtonJ2", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "qpid_proton-j", "vendor": "apache"}], "created": "2026-08-05T07:00:10.222761+00:00", "updated": "2026-08-05T14:15:07.160718+00:00", "vendors": ["apache", "apache$PRODUCT$qpid_proton-j"]}