{"id":"CVE-2026-79921","title":"amqp091-go is a Go AMQP 0.9.1 client","summary":"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 …","severity":"high","cwe":["CWE-770"],"published":"2026-08-26","updated":"2026-09-09","sourceUpdated":"2026-09-09T21:09:13.080","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79921","references":[{"url":"https://github.com/rabbitmq/amqp091-go/commit/6beb7b51f59e46ddcf8066ad498dad32491d3be0","label":"security-advisories@github.com"},{"url":"https://github.com/rabbitmq/amqp091-go/pull/353","label":"security-advisories@github.com"},{"url":"https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0","label":"security-advisories@github.com"},{"url":"https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-6c5v-hqjr-5xxp","label":"security-advisories@github.com"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79921"},{"url":"https://github.com/rabbitmq/amqp091-go"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79921.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-79921"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2524713"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79921"},{"url":"https://access.redhat.com/errata/RHSA-2026:62866"},{"url":"https://access.redhat.com/errata/RHSA-2026:60854"},{"url":"https://access.redhat.com/errata/RHSA-2026:67842"},{"url":"https://access.redhat.com/errata/RHSA-2026:68515"}],"tags":["nvd","osv","go","csaf","vex","red-hat"],"epss":0.0055,"epssPercentile":0.43632,"ingestedAt":"2026-08-29T21:42:34.914Z","aliases":["GHSA-6c5v-hqjr-5xxp","GO-2026-6372"],"ecosystem":"go","vendor":"rabbitmq","product":"github.com/rabbitmq/amqp091-go","affected":["github.com/rabbitmq/amqp091-go < 1.13.0"],"patched":["github.com/rabbitmq/amqp091-go 1.13.0"],"cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","slug":"CVE-2026-79921","body":"## Overview\n\namqp091-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-79921)\n\nAffected packages:\n\n- `github.com/rabbitmq/amqp091-go < 1.13.0`\n\nPatched in:\n\n- `github.com/rabbitmq/amqp091-go 1.13.0`\n\nSource: https://osv.dev/vulnerability/GHSA-6c5v-hqjr-5xxp\n\n## Vendor advisories\n\n- **RHSA-2026:62866** · Red Hat · fixed in: Custom Metric Autoscaler 2.19 · released 2026-09-02 · [advisory](https://access.redhat.com/errata/RHSA-2026:62866)\n- **RHSA-2026:60854** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-08-29 · [advisory](https://access.redhat.com/errata/RHSA-2026:60854)\n- **Red Hat VEX** · Important · affected: OpenShift Serverless, Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat OpenStack Platform 18.0, Red Hat Quay 3 · no fix planned: OpenShift Serverless, Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat OpenStack Platform 18.0, Red Hat Quay 3 · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79921.json)\n- **RHSA-2026:67842** · Red Hat · fixed in: Multicluster Global Hub 1.7.3 · released 2026-09-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:67842)\n- **RHSA-2026:68515** · Red Hat · fixed in: Multicluster Global Hub 1.8.2 · released 2026-09-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:68515)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":201998,"id":"CVE-2026-79921","ts":1789399994171,"field":"cvss","old":null,"new":"7.5"},{"seq":201997,"id":"CVE-2026-79921","ts":1789399994171,"field":"severity","old":"none","new":"high"},{"seq":200725,"id":"CVE-2026-79921","ts":1789397586106,"field":"cvss","old":"7.5","new":null},{"seq":200724,"id":"CVE-2026-79921","ts":1789397586106,"field":"severity","old":"high","new":"none"},{"seq":199420,"id":"CVE-2026-79921","ts":1789395494281,"field":"cvss","old":null,"new":"7.5"},{"seq":199419,"id":"CVE-2026-79921","ts":1789395494281,"field":"severity","old":"none","new":"high"},{"seq":198665,"id":"CVE-2026-79921","ts":1789392188728,"field":"cvss","old":"7.5","new":null},{"seq":198664,"id":"CVE-2026-79921","ts":1789392188728,"field":"severity","old":"high","new":"none"},{"seq":196996,"id":"CVE-2026-79921","ts":1789384274046,"field":"cvss","old":null,"new":"7.5"},{"seq":196995,"id":"CVE-2026-79921","ts":1789384274046,"field":"severity","old":"none","new":"high"},{"seq":194127,"id":"CVE-2026-79921","ts":1789378697292,"field":"cvss","old":"7.5","new":null},{"seq":194126,"id":"CVE-2026-79921","ts":1789378697292,"field":"severity","old":"high","new":"none"},{"seq":192914,"id":"CVE-2026-79921","ts":1789376495266,"field":"cvss","old":null,"new":"7.5"},{"seq":192913,"id":"CVE-2026-79921","ts":1789376495266,"field":"severity","old":"none","new":"high"},{"seq":191701,"id":"CVE-2026-79921","ts":1789373590924,"field":"cvss","old":"7.5","new":null},{"seq":191700,"id":"CVE-2026-79921","ts":1789373590924,"field":"severity","old":"high","new":"none"},{"seq":190486,"id":"CVE-2026-79921","ts":1789369450529,"field":"cvss","old":null,"new":"7.5"},{"seq":190485,"id":"CVE-2026-79921","ts":1789369450529,"field":"severity","old":"none","new":"high"},{"seq":189273,"id":"CVE-2026-79921","ts":1789368373990,"field":"cvss","old":"7.5","new":null},{"seq":189272,"id":"CVE-2026-79921","ts":1789368373990,"field":"severity","old":"high","new":"none"},{"seq":188056,"id":"CVE-2026-79921","ts":1789365212305,"field":"cvss","old":null,"new":"7.5"},{"seq":188055,"id":"CVE-2026-79921","ts":1789365212305,"field":"severity","old":"none","new":"high"},{"seq":186843,"id":"CVE-2026-79921","ts":1789363455465,"field":"cvss","old":"7.5","new":null},{"seq":186842,"id":"CVE-2026-79921","ts":1789363455465,"field":"severity","old":"high","new":"none"},{"seq":185629,"id":"CVE-2026-79921","ts":1789361196043,"field":"cvss","old":null,"new":"7.5"},{"seq":185628,"id":"CVE-2026-79921","ts":1789361196043,"field":"severity","old":"none","new":"high"},{"seq":184416,"id":"CVE-2026-79921","ts":1789358319454,"field":"cvss","old":"7.5","new":null},{"seq":184415,"id":"CVE-2026-79921","ts":1789358319454,"field":"severity","old":"high","new":"none"},{"seq":182667,"id":"CVE-2026-79921","ts":1789354303362,"field":"cvss","old":null,"new":"7.5"},{"seq":182666,"id":"CVE-2026-79921","ts":1789354303362,"field":"severity","old":"none","new":"high"},{"seq":181460,"id":"CVE-2026-79921","ts":1789353280595,"field":"cvss","old":"7.5","new":null},{"seq":181459,"id":"CVE-2026-79921","ts":1789353280595,"field":"severity","old":"high","new":"none"},{"seq":180253,"id":"CVE-2026-79921","ts":1789350266206,"field":"cvss","old":null,"new":"7.5"},{"seq":180252,"id":"CVE-2026-79921","ts":1789350266206,"field":"severity","old":"none","new":"high"},{"seq":179046,"id":"CVE-2026-79921","ts":1789348257600,"field":"cvss","old":"7.5","new":null},{"seq":179045,"id":"CVE-2026-79921","ts":1789348257600,"field":"severity","old":"high","new":"none"},{"seq":177839,"id":"CVE-2026-79921","ts":1789346356674,"field":"cvss","old":null,"new":"7.5"},{"seq":177838,"id":"CVE-2026-79921","ts":1789346356674,"field":"severity","old":"none","new":"high"},{"seq":176632,"id":"CVE-2026-79921","ts":1789343157789,"field":"cvss","old":"7.5","new":null},{"seq":176631,"id":"CVE-2026-79921","ts":1789343157789,"field":"severity","old":"high","new":"none"},{"seq":174749,"id":"CVE-2026-79921","ts":1789334853821,"field":"cvss","old":null,"new":"7.5"},{"seq":174748,"id":"CVE-2026-79921","ts":1789334853821,"field":"severity","old":"none","new":"high"},{"seq":173544,"id":"CVE-2026-79921","ts":1789333643643,"field":"cvss","old":"7.5","new":null},{"seq":173543,"id":"CVE-2026-79921","ts":1789333643643,"field":"severity","old":"high","new":"none"},{"seq":172358,"id":"CVE-2026-79921","ts":1789331081294,"field":"cvss","old":null,"new":"7.5"},{"seq":172357,"id":"CVE-2026-79921","ts":1789331081294,"field":"severity","old":"none","new":"high"},{"seq":171172,"id":"CVE-2026-79921","ts":1789328751355,"field":"cvss","old":"7.5","new":null},{"seq":171171,"id":"CVE-2026-79921","ts":1789328751355,"field":"severity","old":"high","new":"none"},{"seq":169967,"id":"CVE-2026-79921","ts":1789327145472,"field":"cvss","old":null,"new":"7.5"},{"seq":169966,"id":"CVE-2026-79921"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