RHSA-2026:68290
Vulnerability from csaf_redhat - Published: 2026-09-16 15:39 - Updated: 2026-09-21 19:50Summary
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Severity
Important
Notes
Topic: An update for Red Hat Hardened Images RPMs is now available.
Details: This update includes the following RPMs:
opentelemetry-collector-contrib:
* opentelemetry-collector-contrib-0.161.0-0.1.hum1 (aarch64, x86_64)
* opentelemetry-collector-contrib-0.161.0-0.1.hum1.src (src)
Terms of Use: 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.
A flaw was found in RabbitMQ amqp091-go, a Go AMQP 0.9.1 client. A malicious or compromised AMQP broker can exploit this by advertising an extremely small frame size during connection negotiation. This can lead to excessive fragmentation of client publications, consuming significant CPU resources and potentially causing a Denial of Service (DoS) by stalling the client or its host.
7.5 (High)
Affected products
Fixed
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64 | — |
Vendor Fix
fix
Workaround
|
Threats
Impact
Moderate
A flaw was found in RabbitMQ amqp091-go. The URI.String function in uri.go concatenates TLS asset path values directly into an AMQPS query string without proper encoding. If an application processes a TLS asset path containing special characters like ampersand or equals delimiters, these can be misinterpreted during URI re-parsing. This vulnerability could allow an attacker to overwrite connection options, potentially corrupting the connection configuration or selecting unintended local cryptographic assets, leading to a compromise of the TLS connection.
8.8 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Important
A flaw was found in RabbitMQ amqp091-go. The `Channel.Qos` function in `channel.go` incorrectly handles negative integer values for `prefetchCount` and `prefetchSize`, casting them to large unsigned integers. This allows an application that processes untrusted Quality of Service (QoS) configuration to request extremely high message prefetch limits. Consequently, a message broker can deliver a large volume of queued messages, leading to client memory exhaustion and a Denial of Service (DoS) condition.
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Important
A flaw was found in RabbitMQ amqp091-go, a Go client for AMQP 0.9.1. This vulnerability allows plaintext credentials to be exposed. After a successful PLAIN authentication handshake, the client retains passwords in an unencrypted format within its connection configuration. Local code with access to the connection object, such as logging or debugging tools, can access these sensitive credentials, leading to information disclosure. The credentials remain exposed for the entire duration of the connection.
5.5 (Medium)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Moderate
A flaw was found in RabbitMQ amqp091-go, a Go AMQP 0.9.1 client. When the client synchronously sends events to application-provided channels, an unbuffered or full listener channel can cause the client's reader to block. This blockage prevents the processing of critical messages and heartbeats, leading to connection stalls, deadlocks, and disconnections. This vulnerability can result in a Denial of Service (DoS) for applications using the affected component.
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Important
A flaw was found in RabbitMQ amqp091-go. A malicious or compromised broker can send an extreme declared message body size to a client. This causes the client to attempt an excessively large memory allocation without proper size capping, leading to memory exhaustion and termination of the client process. This vulnerability results in a Denial of Service (DoS).
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Important
A flaw was found in RabbitMQ amqp091-go. A malicious or compromised broker can send a specially crafted AMQP (Advanced Message Queuing Protocol) message with a malformed field length. This can cause an integer overflow, leading to a runtime panic in the client process. Consequently, the client process terminates, resulting in a denial of service.
7.5 (High)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Important
A flaw was found in the OpenTelemetry-Go `BatchingProcessor` component. A remote attacker can exploit this by sending a high volume of log emissions, which can fill the asynchronous export buffer. This causes the processor to enter a tight CPU loop, repeatedly retrying to export logs without proper waiting mechanisms. The consequence is the exhaustion of CPU resources, leading to a degradation or denial of service (DoS) in the affected application.
5.3 (Medium)
Affected products
Fixed
3 products, the same list as for
CVE-2026-77403
Threats
Impact
Moderate
References
71 references
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"scores": [
{
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"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"
},
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"threats": [
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"details": "Moderate"
}
],
"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via AMQP frame size negotiation"
},
{
"cve": "CVE-2026-77404",
"cwe": {
"id": "CWE-140",
"name": "Improper Neutralization of Delimiters"
},
"discovery_date": "2026-09-16T14:51:56.561147+00:00",
"ids": [
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"text": "A flaw was found in RabbitMQ amqp091-go. The URI.String function in uri.go concatenates TLS asset path values directly into an AMQPS query string without proper encoding. If an application processes a TLS asset path containing special characters like ampersand or equals delimiters, these can be misinterpreted during URI re-parsing. This vulnerability could allow an attacker to overwrite connection options, potentially corrupting the connection configuration or selecting unintended local cryptographic assets, leading to a compromise of the TLS connection.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Connection configuration overwrite via unsanitized TLS path parameter injection",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has an Important impact because applications in Red Hat products that use amqp091-go and accept attacker-controlled TLS asset paths can be induced to reparse a crafted AMQPS URI. A local attacker with partial control of a certificate, key, CA, or server-name path or related environment setting can inject query parameters and alter connection configuration, potentially selecting unintended local TLS material or causing connection failures.",
"title": "Statement"
},
{
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"title": "CVSS score applicability"
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"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/",
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
},
{
"category": "workaround",
"details": "Avoid accepting untrusted values for TLS certificate, key, CA, or server-name paths. Restrict write access to directories and environment settings used to configure those paths, and upgrade applications using amqp091-go to version 1.13.0 or later when available.",
"product_ids": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Connection configuration overwrite via unsanitized TLS path parameter injection"
},
{
"cve": "CVE-2026-77406",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2026-09-16T14:52:23.520218+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535493"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in RabbitMQ amqp091-go. The `Channel.Qos` function in `channel.go` incorrectly handles negative integer values for `prefetchCount` and `prefetchSize`, casting them to large unsigned integers. This allows an application that processes untrusted Quality of Service (QoS) configuration to request extremely high message prefetch limits. Consequently, a message broker can deliver a large volume of queued messages, leading to client memory exhaustion and a Denial of Service (DoS) condition.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via signed-to-unsigned integer casting",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has an Important impact because applications using amqp091-go can be disrupted if untrusted QoS configuration supplies negative prefetch values. Those values can be converted to extremely large message limits, allowing excessive message delivery and memory exhaustion.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-77406"
},
{
"category": "external",
"summary": "RHBZ#2535493",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535493"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-77406",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77406"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-77406",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77406"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/commit/3b879e1d1d25b544e26b3bc3d7db3213203c0f3b",
"url": "https://github.com/rabbitmq/amqp091-go/commit/3b879e1d1d25b544e26b3bc3d7db3213203c0f3b"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/pull/351",
"url": "https://github.com/rabbitmq/amqp091-go/pull/351"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0",
"url": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-rm6m-hrcw-jw33",
"url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-rm6m-hrcw-jw33"
}
],
"release_date": "2026-09-16T14:37:36.550000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-16T15:39:07+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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
},
{
"category": "workaround",
"details": "Do not allow untrusted users to control AMQP QoS prefetch settings. Validate configured values are non-negative, and update applications using amqp091-go when a fixed version is available.",
"product_ids": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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],
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{
"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": [
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],
"threats": [
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"category": "impact",
"details": "Important"
}
],
"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via signed-to-unsigned integer casting"
},
{
"cve": "CVE-2026-77407",
"cwe": {
"id": "CWE-256",
"name": "Plaintext Storage of a Password"
},
"discovery_date": "2026-09-16T14:51:31.857212+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535487"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in RabbitMQ amqp091-go, a Go client for AMQP 0.9.1. This vulnerability allows plaintext credentials to be exposed. After a successful PLAIN authentication handshake, the client retains passwords in an unencrypted format within its connection configuration. Local code with access to the connection object, such as logging or debugging tools, can access these sensitive credentials, leading to information disclosure. The credentials remain exposed for the entire duration of the connection.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Plaintext Credential Exposure via Exported PLAIN Authentication Fields",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has a Moderate impact because plaintext AMQP credentials can remain in an exported connection configuration after authentication. Logging, monitoring, debugging, or error-handling code that traverses the connection object could expose those credentials.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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},
"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-77407"
},
{
"category": "external",
"summary": "RHBZ#2535487",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535487"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-77407",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77407"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-77407",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77407"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/commit/fa013b8447eb60988db3c9281ff6b981e4d2fb4f",
"url": "https://github.com/rabbitmq/amqp091-go/commit/fa013b8447eb60988db3c9281ff6b981e4d2fb4f"
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{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/pull/350",
"url": "https://github.com/rabbitmq/amqp091-go/pull/350"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0",
"url": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-27gv-rfvv-22mv",
"url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-27gv-rfvv-22mv"
}
],
"release_date": "2026-09-16T14:34:18.876000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-16T15:39:07+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": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
},
{
"category": "workaround",
"details": "Avoid logging or exporting complete AMQP connection objects and ensure diagnostic tooling redacts credentials. Update applications using amqp091-go when a fixed version is available.",
"product_ids": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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],
"scores": [
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"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
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"products": [
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"category": "impact",
"details": "Moderate"
}
],
"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Plaintext Credential Exposure via Exported PLAIN Authentication Fields"
},
{
"cve": "CVE-2026-77409",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-09-16T14:52:41.339550+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535494"
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"notes": [
{
"category": "description",
"text": "A flaw was found in RabbitMQ amqp091-go, a Go AMQP 0.9.1 client. When the client synchronously sends events to application-provided channels, an unbuffered or full listener channel can cause the client\u0027s reader to block. This blockage prevents the processing of critical messages and heartbeats, leading to connection stalls, deadlocks, and disconnections. This vulnerability can result in a Denial of Service (DoS) for applications using the affected component.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service due to synchronous event channel blocking",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has an Important impact because a broker-driven event burst can block AMQP client processing when application notification channels are unbuffered, full, or not promptly drained. The resulting stall can cause missed heartbeats, deadlocks, or client disconnection.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-77409"
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{
"category": "external",
"summary": "RHBZ#2535494",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535494"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-77409",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77409"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-77409",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77409"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/commit/5b0ccbb8d7bc3dfa18129d9b0f9256d656809494",
"url": "https://github.com/rabbitmq/amqp091-go/commit/5b0ccbb8d7bc3dfa18129d9b0f9256d656809494"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/pull/349",
"url": "https://github.com/rabbitmq/amqp091-go/pull/349"
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{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0",
"url": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-wxx3-cj7g-w73j",
"url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-wxx3-cj7g-w73j"
}
],
"release_date": "2026-09-16T14:48:00.669000+00:00",
"remediations": [
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"date": "2026-09-16T15:39:07+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": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
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{
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"details": "Use adequately buffered notification channels and ensure event consumers continuously drain them. Update applications using amqp091-go when a fixed version is available.",
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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],
"scores": [
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"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"
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"products": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
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"threats": [
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"details": "Important"
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"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service due to synchronous event channel blocking"
},
{
"cve": "CVE-2026-77410",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-09-16T14:54:20.609828+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535500"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in RabbitMQ amqp091-go. A malicious or compromised broker can send an extreme declared message body size to a client. This causes the client to attempt an excessively large memory allocation without proper size capping, leading to memory exhaustion and termination of the client process. This vulnerability results in a Denial of Service (DoS).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via unbounded body buffer allocation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-77410"
},
{
"category": "external",
"summary": "RHBZ#2535500",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535500"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-77410",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77410"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-77410",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77410"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/commit/91b65fa0096a99a580cf51a31b24028ff1c60382",
"url": "https://github.com/rabbitmq/amqp091-go/commit/91b65fa0096a99a580cf51a31b24028ff1c60382"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/pull/346",
"url": "https://github.com/rabbitmq/amqp091-go/pull/346"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0",
"url": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-r9c8-gcjp-xfwh",
"url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-r9c8-gcjp-xfwh"
}
],
"release_date": "2026-09-16T14:39:08.872000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-16T15:39:07+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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
}
],
"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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via unbounded body buffer allocation"
},
{
"cve": "CVE-2026-77412",
"cwe": {
"id": "CWE-805",
"name": "Buffer Access with Incorrect Length Value"
},
"discovery_date": "2026-09-16T14:54:07.329706+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535499"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in RabbitMQ amqp091-go. A malicious or compromised broker can send a specially crafted AMQP (Advanced Message Queuing Protocol) message with a malformed field length. This can cause an integer overflow, leading to a runtime panic in the client process. Consequently, the client process terminates, resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via Malicious AMQP Field Length",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw has an Important impact because a malicious or compromised AMQP broker can send a malformed field length that causes the client process to panic and terminate.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s 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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-77412"
},
{
"category": "external",
"summary": "RHBZ#2535499",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535499"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-77412",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77412"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-77412",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77412"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/commit/669b42bf7b1db76bc6d4973e3634247f680accbf",
"url": "https://github.com/rabbitmq/amqp091-go/commit/669b42bf7b1db76bc6d4973e3634247f680accbf"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/pull/344",
"url": "https://github.com/rabbitmq/amqp091-go/pull/344"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0",
"url": "https://github.com/rabbitmq/amqp091-go/releases/tag/v1.13.0"
},
{
"category": "external",
"summary": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-4v58-74mf-rjx3",
"url": "https://github.com/rabbitmq/amqp091-go/security/advisories/GHSA-4v58-74mf-rjx3"
}
],
"release_date": "2026-09-16T14:43:46.302000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-16T15:39:07+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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
},
{
"category": "workaround",
"details": "Connect only to trusted AMQP brokers, protect broker credentials and transport security, and update applications using amqp091-go when a fixed version is available.",
"product_ids": [
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
}
],
"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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "github.com/rabbitmq/amqp091-go: RabbitMQ amqp091-go: Denial of Service via Malicious AMQP Field Length"
},
{
"cve": "CVE-2026-81872",
"cwe": {
"id": "CWE-835",
"name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
},
"discovery_date": "2026-09-16T21:01:33.849934+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2535727"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the OpenTelemetry-Go `BatchingProcessor` component. A remote attacker can exploit this by sending a high volume of log emissions, which can fill the asynchronous export buffer. This causes the processor to enter a tight CPU loop, repeatedly retrying to export logs without proper waiting mechanisms. The consequence is the exhaustion of CPU resources, leading to a degradation or denial of service (DoS) in the affected application.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "go.opentelemetry.io/otel/sdk/log: OpenTelemetry-Go: Denial of Service via attacker-driven log emission",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s 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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-81872"
},
{
"category": "external",
"summary": "RHBZ#2535727",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2535727"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-81872",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-81872"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-81872",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81872"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/commit/ba71b09e6ed272e93a669aeaec1e98b1df4cc582",
"url": "https://github.com/open-telemetry/opentelemetry-go/commit/ba71b09e6ed272e93a669aeaec1e98b1df4cc582"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/issues/6797",
"url": "https://github.com/open-telemetry/opentelemetry-go/issues/6797"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/pull/8620",
"url": "https://github.com/open-telemetry/opentelemetry-go/pull/8620"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/releases/tag/sdk/log/v0.21.0",
"url": "https://github.com/open-telemetry/opentelemetry-go/releases/tag/sdk/log/v0.21.0"
},
{
"category": "external",
"summary": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-hjf4-fphr-2h65",
"url": "https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-hjf4-fphr-2h65"
}
],
"release_date": "2026-09-16T20:42:23.507000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-09-16T15:39:07+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:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@aarch64",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
],
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},
"url": "https://access.redhat.com/errata/RHSA-2026:68290"
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],
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"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:L",
"version": "3.1"
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"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@src",
"Red Hat Hardened Images:opentelemetry-collector-contrib-0:0.161.0-0.1.hum1@x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "go.opentelemetry.io/otel/sdk/log: OpenTelemetry-Go: Denial of Service via attacker-driven log emission"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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