{"id":"CVE-2026-79921","state":"PUBLISHED","title":"amqp091-go has a Potential Memory Exhaustion/Protocol Violation via Broker-Controlled Oversized Payload","description":"amqp091-go is a Go AMQP 0.9.1 client. Before version 1.13.0, a compromised or malicious AMQP broker can force the client to allocate resources for and process content body frames that exceed the negotiated frame_max limit. This can lead to unexpected memory consumption or application-layer denial of service (DoS), bypassing the protocol's built-in framing constraints. Version 1.13.0 contains a fix. No known workarounds are available.","publishedAt":"2026-08-26T20:24:58.115Z","updatedAt":"2026-08-29T02:50:25.822Z","severity":{"score":8.9,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["rabbitmq amqp091-go"],"affected":[{"vendor":"rabbitmq","product":"amqp091-go","versions":[{"version":"< 1.13.0","status":"affected"}]}],"references":["https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-6c5v-hqjr-5xxp","https://github.com/rabbitmq/amqp091-go/pull/353","https://github.com/rabbitmq/amqp091-go/commit/6beb7b51f59e46ddcf8066ad498dad32491d3be0","https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/79xxx/CVE-2026-79921.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-79921","state":"PUBLISHED","datePublished":"2026-08-26T20:24:58.115Z","dateUpdated":"2026-08-29T02:50:25.822Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-25T14:59:32.746Z"},"containers":{"cna":{"title":"amqp091-go has a Potential Memory Exhaustion/Protocol Violation via Broker-Controlled Oversized Payload","descriptions":[{"lang":"en","value":"amqp091-go is a Go AMQP 0.9.1 client. Before version 1.13.0, a compromised or malicious AMQP broker can force the client to allocate resources for and process content body frames that exceed the negotiated frame_max limit. This can lead to unexpected memory consumption or application-layer denial of service (DoS), bypassing the protocol's built-in framing constraints. Version 1.13.0 contains a fix. No known workarounds are available."}],"affected":[{"vendor":"rabbitmq","product":"amqp091-go","versions":[{"version":"< 1.13.0","status":"affected"}]}],"references":[{"url":"https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-6c5v-hqjr-5xxp","name":"https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-6c5v-hqjr-5xxp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/rabbitmq/amqp091-go/pull/353","name":"https://github.com/rabbitmq/amqp091-go/pull/353","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/amqp091-go/commit/6beb7b51f59e46ddcf8066ad498dad32491d3be0","name":"https://github.com/rabbitmq/amqp091-go/commit/6beb7b51f59e46ddcf8066ad498dad32491d3be0","tags":["x_refsource_MISC"]},{"url":"https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0","name":"https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"HIGH","baseScore":8.9,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-26T20:24:58.115Z"},"source":{"advisory":"GHSA-6c5v-hqjr-5xxp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-29T02:50:10.896064Z","id":"CVE-2026-79921","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-29T02:50:25.822Z"}}]}}}