CVE-2026-66274

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{"bugzilla": {"description": "org.apache.qpid/proton-j: Apache Qpid Proton-J: Denial of Service via unbounded type nesting", "id": "2511337", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511337"}, "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 Proton-J. A remote attacker, without needing to authenticate, could exploit a vulnerability related to unbounded type nesting. This could lead to a StackOverflowError, causing the affected system to become unresponsive and resulting in a denial of service."], "name": "CVE-2026-66274", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "amq-broker-bin.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Affected", "package_name": "amq-broker-maven-repository.zip", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_clients:2023", "fix_state": "Affected", "package_name": "proton-j", "product_name": "Red Hat AMQ Clients"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Affected", "package_name": "proton-j", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "rhaf-camel-for-springboot-maven-repository.zip", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "rhaf-camel-maven-repository.zip", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Affected", "package_name": "rhaf-camel-spring-boot-maven-repository.zip", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:quarkus:3", "fix_state": "Affected", "package_name": "proton-j", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Affected", "package_name": "proton-j", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}], "public_date": "2026-08-05T05:29:44Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-66274\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-66274\nhttps://lists.apache.org/thread/h7xolzws2by2qhdjf7scbx87foxojb5h"], "threat_severity": "Important"}

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