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{"bugzilla": {"description": "org.apache.activemq/activemq: org.apache.activemq/activemq-all: org.apache.activemq/activemq-stomp: Apache ActiveMQ: Denial of Service via improper input validation in STOMP connector", "id": "2494847", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2494847"}, "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-839", "details": ["A flaw was found in Apache ActiveMQ. A remote, unauthenticated attacker can exploit an improper input validation vulnerability by sending a specially crafted message with a negative content-length to an exposed STOMP connector. This can lead to a denial of service (DoS) condition, either by consuming excessive memory and causing an Out-Of-Memory (OOM) error or by forcing the abnormal closure of affected connections."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-49432", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "activemq-artemis-native", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "activemq-client", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "activemq-openwire-legacy", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": 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"package_name": "artemis-dto", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-hornetq-protocol", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-hqclient-protocol", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-jdbc-store", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-jms-client", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-jms-server", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-journal", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-ra", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-selector", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-server", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-service-extensions", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-tools", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "artemis-wildfly-integration", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "libartemis-native-linux-i686", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "libartemis-native-linux-x86_64", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Fix deferred", "package_name": "wildfly-messaging-activemq", "product_name": "Red Hat Single Sign-On 7"}], "public_date": "2026-06-30T09:54:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-49432\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-49432\nhttps://lists.apache.org/thread/fsjb26605syqr8xks249h8gkp86t55d2"], "statement": "Red Hat products ship Apache ActiveMQ Classic components as transitive dependencies. The vulnerability is in the Classic ActiveMQ STOMP connector's content-length validation, allowing an unauthenticated attacker to cause OOM via a negative content-length value. Apache ActiveMQ Artemis, which powers Red Hat AMQ Broker, has its own STOMP protocol implementation (artemis-stomp-protocol) that does not share this code path. The Classic STOMP connector is not exposed in Red Hat product deployments.", "threat_severity": "Important"}