cve-2026-57220
HIGH CVSS 7.5 csaf_redhat
Description
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
Timeline
- Published
- 2026-07-10 20:19 UTC
- Last Modified
- 2026-07-29
CVSS Details
CVSS details not available.
Affected Products
No product information available.
Weaknesses (CWE)
References
No references available.
Linked Vulnerabilities
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Important"
},
"category": "csaf_vex",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright © Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57220.json"
}
],
"title": "rabbitmq-server: RabbitMQ: Denial of Service via oversized stream frames",
"tracking": {
"current_release_date": "2026-07-29T03:45:23+00:00",
"generator": {
"date": "2026-07-29T03:45:23+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "5.3.7"
}
},
"id": "CVE-2026-57220",
"initial_release_date": "2026-07-10T20:19:23.162000+00:00",
"revision_history": [
{
"date": "2026-07-10T20:19:23.162000+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2026-07-28T12:50:11.741373+00:00",
"number": "2",
"summary": "Current version"
},
{
"date": "2026-07-29T03:45:23+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat OpenStack Platform 16.2",
"product": {
"name": "Red Hat OpenStack Platform 16.2",
"product_id": "red_hat_openstack_platform_16.2",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openstack:16.2"
}
}
}
],
"category": "product_family",
"name": "Red Hat OpenStack Platform 16.2"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat OpenStack Platform 17.1",
"product": {
"name": "Red Hat OpenStack Platform 17.1",
"product_id": "red_hat_openstack_platform_17.1",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openstack:17.1"
}
}
}
],
"category": "product_family",
"name": "Red Hat OpenStack Platform 17.1"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat OpenStack Platform 18.0",
"product": {
"name": "Red Hat OpenStack Platform 18.0",
"product_id": "red_hat_openstack_platform_18.0",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:openstack:18.0"
}
}
}
],
"category": "product_family",
"name": "Red Hat OpenStack Platform 18.0"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Hardened Images",
"product": {
"name": "Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:hummingbird:1"
}
}
}
],
"category": "product_family",
"name": "Red Hat Hardened Images"
},
{
"category": "product_version",
"name": "rabbitmq-server",
"product": {
"name": "rabbitmq-server",
"product_id": "rabbitmq-server",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server"
}
}
},
{
"category": "product_version",
"name": "rabbitmq-server.src",
"product": {
"name": "rabbitmq-server.src",
"product_id": "rabbitmq-server.src",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server?arch=src"
}
}
},
{
"branches": [
{
"category": "product_version",
"name": "rabbitmq-server4-3-main@aarch64",
"product": {
"name": "rabbitmq-server4-3-main@aarch64",
"product_id": "rabbitmq-server4-3-main@aarch64",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server4.3@4.3.2-1.hum1?arch=aarch64&distro=hummingbird-20251124&repository_id=public-hummingbird-aarch64-rpms"
}
}
},
{
"category": "product_version",
"name": "rabbitmq-server4-2-main@aarch64",
"product": {
"name": "rabbitmq-server4-2-main@aarch64",
"product_id": "rabbitmq-server4-2-main@aarch64",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server4.2@4.2.8-1.hum1?arch=aarch64&distro=hummingbird-20251124&repository_id=public-hummingbird-aarch64-rpms"
}
}
}
],
"category": "architecture",
"name": "aarch64"
},
{
"branches": [
{
"category": "product_version",
"name": "rabbitmq-server4-3-main@src",
"product": {
"name": "rabbitmq-server4-3-main@src",
"product_id": "rabbitmq-server4-3-main@src",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server4.3@4.3.2-1.hum1?arch=src&distro=hummingbird-20251124&repository_id=public-hummingbird-source-rpms"
}
}
},
{
"category": "product_version",
"name": "rabbitmq-server4-2-main@src",
"product": {
"name": "rabbitmq-server4-2-main@src",
"product_id": "rabbitmq-server4-2-main@src",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server4.2@4.2.8-1.hum1?arch=src&distro=hummingbird-20251124&repository_id=public-hummingbird-source-rpms"
}
}
}
],
"category": "architecture",
"name": "src"
},
{
"branches": [
{
"category": "product_version",
"name": "rabbitmq-server4-3-main@x86_64",
"product": {
"name": "rabbitmq-server4-3-main@x86_64",
"product_id": "rabbitmq-server4-3-main@x86_64",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server4.3@4.3.2-1.hum1?arch=x86_64&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms"
}
}
},
{
"category": "product_version",
"name": "rabbitmq-server4-2-main@x86_64",
"product": {
"name": "rabbitmq-server4-2-main@x86_64",
"product_id": "rabbitmq-server4-2-main@x86_64",
"product_identification_helper": {
"purl": "pkg:rpm/redhat/rabbitmq-server4.2@4.2.8-1.hum1?arch=x86_64&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms"
}
}
}
],
"category": "architecture",
"name": "x86_64"
}
],
"category": "vendor",
"name": "Red Hat"
}
],
"relationships": [
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server4-2-main@aarch64 as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64"
},
"product_reference": "rabbitmq-server4-2-main@aarch64",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server4-2-main@src as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:rabbitmq-server4-2-main@src"
},
"product_reference": "rabbitmq-server4-2-main@src",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server4-2-main@x86_64 as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64"
},
"product_reference": "rabbitmq-server4-2-main@x86_64",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server4-3-main@aarch64 as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64"
},
"product_reference": "rabbitmq-server4-3-main@aarch64",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server4-3-main@src as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:rabbitmq-server4-3-main@src"
},
"product_reference": "rabbitmq-server4-3-main@src",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server4-3-main@x86_64 as a component of Red Hat Hardened Images",
"product_id": "Red Hat Hardened Images:rabbitmq-server4-3-main@x86_64"
},
"product_reference": "rabbitmq-server4-3-main@x86_64",
"relates_to_product_reference": "Red Hat Hardened Images"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server as a component of Red Hat OpenStack Platform 16.2",
"product_id": "red_hat_openstack_platform_16.2:rabbitmq-server"
},
"product_reference": "rabbitmq-server",
"relates_to_product_reference": "red_hat_openstack_platform_16.2"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server.src as a component of Red Hat OpenStack Platform 16.2",
"product_id": "red_hat_openstack_platform_16.2:rabbitmq-server.src"
},
"product_reference": "rabbitmq-server.src",
"relates_to_product_reference": "red_hat_openstack_platform_16.2"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server as a component of Red Hat OpenStack Platform 17.1",
"product_id": "red_hat_openstack_platform_17.1:rabbitmq-server"
},
"product_reference": "rabbitmq-server",
"relates_to_product_reference": "red_hat_openstack_platform_17.1"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server.src as a component of Red Hat OpenStack Platform 17.1",
"product_id": "red_hat_openstack_platform_17.1:rabbitmq-server.src"
},
"product_reference": "rabbitmq-server.src",
"relates_to_product_reference": "red_hat_openstack_platform_17.1"
},
{
"category": "default_component_of",
"full_product_name": {
"name": "rabbitmq-server.src as a component of Red Hat OpenStack Platform 18.0",
"product_id": "red_hat_openstack_platform_18.0:rabbitmq-server.src"
},
"product_reference": "rabbitmq-server.src",
"relates_to_product_reference": "red_hat_openstack_platform_18.0"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-57220",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-07-10T21:00:56.008543+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
"product_ids": [
"red_hat_openstack_platform_16.2:rabbitmq-server",
"red_hat_openstack_platform_16.2:rabbitmq-server.src",
"red_hat_openstack_platform_17.1:rabbitmq-server",
"red_hat_openstack_platform_17.1:rabbitmq-server.src",
"red_hat_openstack_platform_18.0:rabbitmq-server.src"
]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2499203"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in RabbitMQ. The stream listener in RabbitMQ does not properly enforce frame-size limits during authentication and before negotiation. This allows an unauthenticated remote client to send oversized stream frames, which can consume excessive broker memory. This can lead to a denial of service (DoS) condition, making the service unavailable to legitimate users.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "rabbitmq-server: RabbitMQ: Denial of Service via oversized stream frames",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-2-main@src",
"Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@src",
"Red Hat Hardened Images:rabbitmq-server4-3-main@x86_64"
],
"known_not_affected": [
"red_hat_openstack_platform_16.2:rabbitmq-server",
"red_hat_openstack_platform_16.2:rabbitmq-server.src",
"red_hat_openstack_platform_17.1:rabbitmq-server",
"red_hat_openstack_platform_17.1:rabbitmq-server.src",
"red_hat_openstack_platform_18.0:rabbitmq-server.src"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-57220"
},
{
"category": "external",
"summary": "RHBZ#2499203",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499203"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-57220",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-57220"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-57220",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-57220"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/rabbitmq-server/commit/595ec28fa1621b1f2c28124e4e0466a8ad963547",
"url": "https://github.com/rabbitmq/rabbitmq-server/commit/595ec28fa1621b1f2c28124e4e0466a8ad963547"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/rabbitmq-server/commit/773a49c4921e8be990262a2d609c35916825679e",
"url": "https://github.com/rabbitmq/rabbitmq-server/commit/773a49c4921e8be990262a2d609c35916825679e"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/rabbitmq-server/pull/16171",
"url": "https://github.com/rabbitmq/rabbitmq-server/pull/16171"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/rabbitmq-server/pull/16173",
"url": "https://github.com/rabbitmq/rabbitmq-server/pull/16173"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6",
"url": "https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-f364-87q5-j35q",
"url": "https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-f364-87q5-j35q"
}
],
"release_date": "2026-07-10T20:19:23.162000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-07-06T15:02:53+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-2-main@src",
"Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64"
],
"url": "https://access.redhat.com/errata/RHSA-2026:35940"
},
{
"category": "vendor_fix",
"date": "2026-07-06T15:02:20+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
"product_ids": [
"Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@src",
"Red Hat Hardened Images:rabbitmq-server4-3-main@x86_64"
],
"url": "https://access.redhat.com/errata/RHSA-2026:35939"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-2-main@src",
"Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@src",
"Red Hat Hardened Images:rabbitmq-server4-3-main@x86_64",
"red_hat_openstack_platform_16.2:rabbitmq-server",
"red_hat_openstack_platform_16.2:rabbitmq-server.src",
"red_hat_openstack_platform_17.1:rabbitmq-server",
"red_hat_openstack_platform_17.1:rabbitmq-server.src",
"red_hat_openstack_platform_18.0:rabbitmq-server.src"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important",
"product_ids": [
"Red Hat Hardened Images:rabbitmq-server4-2-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-2-main@src",
"Red Hat Hardened Images:rabbitmq-server4-2-main@x86_64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@aarch64",
"Red Hat Hardened Images:rabbitmq-server4-3-main@src",
"Red Hat Hardened Images:rabbitmq-server4-3-main@x86_64",
"red_hat_openstack_platform_16.2:rabbitmq-server",
"red_hat_openstack_platform_16.2:rabbitmq-server.src",
"red_hat_openstack_platform_17.1:rabbitmq-server",
"red_hat_openstack_platform_17.1:rabbitmq-server.src",
"red_hat_openstack_platform_18.0:rabbitmq-server.src"
]
}
],
"title": "rabbitmq-server: RabbitMQ: Denial of Service via oversized stream frames"
}
]
}