CVE-2026-61634

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A malicious or compromised broker can send a method frame larger than the negotiated frame_max during or after connection establishment, causing the client to allocate and decode a protocol-invalid frame instead of rejecting it with MalformedFrameException. The protocol violation can disrupt the affected connection and cause client-side denial of service. This issue is fixed in version 5.33.0."}, {"lang": "es", "value": "La biblioteca cliente Java de RabbitMQ permite a las aplicaciones Java y basadas en JVM conectarse e interactuar con los nodos de RabbitMQ. Antes de la versi\u00f3n 5.33.0, la ruta de ajuste de la conexi\u00f3n AMQP registra el valor AMQP frame_max negociado, pero src/main/java/com/rabbitmq/client/impl/SocketFrameHandler.java y NettyFrameHandlerFactory contin\u00faan validando las longitudes de carga \u00fatil de los marcos controladas por el intermediario contra maxInboundMessageBodySize porque el l\u00edmite negociado no se aplica de manera consistente a trav\u00e9s de setMaxInboundFramePayloadSize. Un intermediario malicioso o comprometido puede enviar un marco de m\u00e9todo m\u00e1s grande que el frame_max negociado durante o despu\u00e9s del establecimiento de la conexi\u00f3n, haciendo que el cliente asigne y decodifique un marco de protocolo inv\u00e1lido en lugar de rechazarlo con MalformedFrameException. La violaci\u00f3n del protocolo puede interrumpir la conexi\u00f3n afectada y causar una denegaci\u00f3n de servicio del lado del cliente. Este problema est\u00e1 solucionado en la versi\u00f3n 5.33.0."}], "id": "CVE-2026-61634", "lastModified": "2026-10-22T22:10:00.250", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 0.0, "baseSeverity": "NONE", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-61634", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-18T17:26:46.490198Z", "version": "2.0.3"}}]}, "published": "2026-08-18T17:16:59.960", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/commit/08790f09686173eb17b48d08a25edcb32e71a591"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/commit/b491075f42e89967610c40beded68d3680cfd472"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/pull/1994"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/pull/1995"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.33.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-5xwg-cfvj-gff5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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