RHSA-2026:6226
Vulnerability from csaf_redhat - Published: 2026-03-31 02:53 - Updated: 2026-04-01 16:03A flaw was found in database/sql. Concurrent queries can produce unexpected results when a query is cancelled during a Scan method call on returned Rows, creating a race condition. This vulnerability allows an attacker who can initiate and cancel queries to trigger this condition, possibly leading to inconsistent data being returned to the application.
An excessive resource consumption flaw has been discovered in the jsPDF npm library. Passing a maliciously crafted PNG file to the library may result in high CPU usage and a denial of service of the program the library is being used in.
A flaw was found in the archive/tar package in the Go standard library. tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A specially crafted tar archive with a pax header indicating a big number of sparse regions can cause a Go program to try to allocate a large amount of memory, causing an out-of-memory condition and resulting in a denial of service.
A denial of service flaw has been discovered in the Axios npm package. When Axios runs on Node.js and is given a URL with the `data:` scheme, it does not perform HTTP. Instead, its Node http adapter decodes the entire payload into memory (`Buffer`/`Blob`) and returns a synthetic 200 response. This path ignores `maxContentLength` / `maxBodyLength` (which only protect HTTP responses), so an attacker can supply a very large `data:` URI and cause the process to allocate unbounded memory and crash (DoS), even if the caller requested responseType: 'stream'.
A symlink validation bypass flaw has been discovered in the npm tar-fs library. Affected versions are vulnerable to a symlink validation bypass if the destination directory is predictable with a specific tarball.
A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted HTTP request containing a massive number of query parameters will cause the application to consume an excessive amount of memory, eventually causing the application to crash or become unresponsive, resulting in a denial of service.
A flaw was found in the archive/zip package in the Go standard library. A super-linear file name indexing algorithm is used in the first time a file in an archive is opened. A crafted zip archive containing a specific arrangement of file names can cause an excessive CPU and memory consumption. A Go application processing a malicious archive can become unresponsive or crash, resulting in a denial of service.
A flaw was found in golang. A remote attacker could exploit this vulnerability by providing a specially crafted certificate during the error string construction process within the `HostnameError.Error()` function. This flaw, caused by unbounded string concatenation, leads to excessive resource consumption. Successful exploitation can result in a denial of service (DoS) for the affected system.
During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have failed. This may happen when a user calls Config.Clone and mutates the returned Config, or uses Config.GetConfigForClient. This can cause a client to resume a session with a server that it would not have resumed with during the initial handshake, or cause a server to resume a session with a client that it would not have resumed with during the initial handshake.
A flaw was found in nats-server. The WebSockets implementation fails to enforce a memory allocation limit during the decompression of WebSocket messages. A malicious compressed payload allows an attacker to cause an excessive memory consumption, eventually resulting in a server crash and a complete denial of service.
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"vulnerabilities": [
{
"cve": "CVE-2025-47907",
"cwe": {
"id": "CWE-362",
"name": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)"
},
"discovery_date": "2025-08-07T16:01:06.247481+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2387083"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in database/sql. Concurrent queries can produce unexpected results when a query is cancelled during a Scan method call on returned Rows, creating a race condition. This vulnerability allows an attacker who can initiate and cancel queries to trigger this condition, possibly leading to inconsistent data being returned to the application.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "database/sql: Postgres Scan Race Condition",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This vulnerability marked as Moderate severity issues rather than Important. The os/exec LookPath flaw requires a misconfigured PATH to be exploitable, and the database/sql race condition primarily impacts applications that cancel queries while running multiple queries concurrently. Both can cause unexpected behavior, but the exploitation scope is limited and unlikely to result in direct compromise in most typical deployments.",
"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"
}
],
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"category": "self",
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},
{
"category": "external",
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},
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},
{
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},
{
"category": "external",
"summary": "https://go.dev/cl/693735",
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},
{
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},
{
"category": "external",
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},
{
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"summary": "https://pkg.go.dev/vuln/GO-2025-3849",
"url": "https://pkg.go.dev/vuln/GO-2025-3849"
}
],
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"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
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"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.0,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "database/sql: Postgres Scan Race Condition"
},
{
"cve": "CVE-2025-57810",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2025-08-26T16:01:25.508363+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2391077"
}
],
"notes": [
{
"category": "description",
"text": "An excessive resource consumption flaw has been discovered in the jsPDF npm library. Passing a maliciously crafted PNG file to the library may result in high CPU usage and a denial of service of the program the library is being used in.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "jspdf: jsPDF Denial of Service (DoS)",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The availability impact of this flaw is limited on Red Hat systems as the host operating system is not at risk of degradation.",
"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": {
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-57810"
},
{
"category": "external",
"summary": "RHBZ#2391077",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2391077"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-57810",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-57810"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-57810",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-57810"
},
{
"category": "external",
"summary": "https://github.com/parallax/jsPDF/commit/4cf3ab619e565d9b88b4b130bff901b91d8688e9",
"url": "https://github.com/parallax/jsPDF/commit/4cf3ab619e565d9b88b4b130bff901b91d8688e9"
},
{
"category": "external",
"summary": "https://github.com/parallax/jsPDF/pull/3880",
"url": "https://github.com/parallax/jsPDF/pull/3880"
},
{
"category": "external",
"summary": "https://github.com/parallax/jsPDF/releases/tag/v3.0.2",
"url": "https://github.com/parallax/jsPDF/releases/tag/v3.0.2"
},
{
"category": "external",
"summary": "https://github.com/parallax/jsPDF/security/advisories/GHSA-8mvj-3j78-4qmw",
"url": "https://github.com/parallax/jsPDF/security/advisories/GHSA-8mvj-3j78-4qmw"
}
],
"release_date": "2025-08-26T15:37:28.071000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
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"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"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:L",
"version": "3.1"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "jspdf: jsPDF Denial of Service (DoS)"
},
{
"cve": "CVE-2025-58183",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2025-10-29T23:01:50.573951+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2407258"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the archive/tar package in the Go standard library. tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A specially crafted tar archive with a pax header indicating a big number of sparse regions can cause a Go program to try to allocate a large amount of memory, causing an out-of-memory condition and resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang: archive/tar: Unbounded allocation when parsing GNU sparse map",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "To exploit this issue, an attacker needs to be able to process a specially crafted GNU tar pax 1.0 archive with the application using the archive/tar package. Additionally, this issue can cause the Go application to allocate a large amount of memory, eventually leading to an out-of-memory condition and resulting in a denial of service with no other security impact. Due to these reasons, this flaw has been rated with a moderate severity.",
"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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],
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-58183"
},
{
"category": "external",
"summary": "RHBZ#2407258",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2407258"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-58183",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-58183"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-58183",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58183"
},
{
"category": "external",
"summary": "https://go.dev/cl/709861",
"url": "https://go.dev/cl/709861"
},
{
"category": "external",
"summary": "https://go.dev/issue/75677",
"url": "https://go.dev/issue/75677"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI",
"url": "https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2025-4014",
"url": "https://pkg.go.dev/vuln/GO-2025-4014"
}
],
"release_date": "2025-10-29T22:10:14.376000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
"product_ids": [
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}
],
"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": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "golang: archive/tar: Unbounded allocation when parsing GNU sparse map"
},
{
"cve": "CVE-2025-58754",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2025-09-12T02:00:53.897605+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
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}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2394735"
}
],
"notes": [
{
"category": "description",
"text": "A denial of service flaw has been discovered in the Axios npm package. When Axios runs on Node.js and is given a URL with the `data:` scheme, it does not perform HTTP. Instead, its Node http adapter decodes the entire payload into memory (`Buffer`/`Blob`) and returns a synthetic 200 response.\nThis path ignores `maxContentLength` / `maxBodyLength` (which only protect HTTP responses), so an attacker can supply a very large `data:` URI and cause the process to allocate unbounded memory and crash (DoS), even if the caller requested responseType: \u0027stream\u0027.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "axios: Axios DoS via lack of data size check",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Availability impact is limited to the application which bundles axios and not the host Red Hat system.",
"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": {
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],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-58754"
},
{
"category": "external",
"summary": "RHBZ#2394735",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2394735"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-58754",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-58754"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-58754",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58754"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/commit/945435fc51467303768202250debb8d4ae892593",
"url": "https://github.com/axios/axios/commit/945435fc51467303768202250debb8d4ae892593"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/pull/7011",
"url": "https://github.com/axios/axios/pull/7011"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/releases/tag/v1.12.0",
"url": "https://github.com/axios/axios/releases/tag/v1.12.0"
},
{
"category": "external",
"summary": "https://github.com/axios/axios/security/advisories/GHSA-4hjh-wcwx-xvwj",
"url": "https://github.com/axios/axios/security/advisories/GHSA-4hjh-wcwx-xvwj"
}
],
"release_date": "2025-09-12T01:16:40.513000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
"product_ids": [
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
"product_ids": [
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"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:L",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "axios: Axios DoS via lack of data size check"
},
{
"cve": "CVE-2025-59343",
"cwe": {
"id": "CWE-22",
"name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
},
"discovery_date": "2025-09-24T18:01:19.612438+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
"product_ids": [
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2397901"
}
],
"notes": [
{
"category": "description",
"text": "A symlink validation bypass flaw has been discovered in the npm tar-fs library. Affected versions are vulnerable to a symlink validation bypass if the destination directory is predictable with a specific tarball.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "tar-fs: tar-fs symlink validation bypass",
"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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],
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-59343"
},
{
"category": "external",
"summary": "RHBZ#2397901",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2397901"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-59343",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-59343"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-59343",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59343"
},
{
"category": "external",
"summary": "https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09",
"url": "https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09"
},
{
"category": "external",
"summary": "https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v",
"url": "https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v"
}
],
"release_date": "2025-09-24T17:43:34.728000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
"product_ids": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:035d205705b2efd62713bea9d05cffdc5db7a437f050c4a3e3f12746b05c29d4_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:3ad24c00931c4024f1acf777d5b4abe874fd90f41a7d16053b11b0a24542ff97_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:437e02ffbc088d65e6697c2fd1d45ffd52c24828846a793661eacf2a26e297bc_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:b7a0ed5f55190d1688180a775074916bb6f3a4cb4dde71b48481c9858b514b7e_amd64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
"product_ids": [
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "tar-fs: tar-fs symlink validation bypass"
},
{
"cve": "CVE-2025-61726",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-01-28T20:01:42.791305+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
"product_ids": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-operator-bundle@sha256:9ce0cdeed264fe07ae4372d898bf4842aa54983206967748d00bdc835555d25f_amd64"
]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2434432"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the net/url package in the Go standard library. The package does not enforce a limit on the number of unique query parameters it parses. A Go application using the net/http.Request.ParseForm method will try to process all parameters provided in the request. A specially crafted HTTP request containing a massive number of query parameters will cause the application to consume an excessive amount of memory, eventually causing the application to crash or become unresponsive, resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang: net/url: Memory exhaustion in query parameter parsing in net/url",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "To exploit this flaw, an attacker must be able to send a specially crafted HTTP request to an application parsing URL-encoded forms with net/url, specifically a request containing a large number of unique query parameters. The request will cause the application to consume an excessive amount of memory and eventually result in a denial of service, with no impact to confidentiality or integrity. Due to this reason, this vulnerability has been rated with an important severity.",
"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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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:39c70f4fcd2ad2bb8495de3e748f8ec60d0dad9e2f7e4d41ebcfde777d99cc0c_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:9d6c8bd778da4dd6e45730d8a6c00b8e24e930de6c7b64461d348315495134f4_amd64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:be5fe7a5bb171515bbdd7f747f76aa0cf8486ed62f7a1ee80405b602a810aef7_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:48c808f50398202bcac609f760af2289df8e190cdf6c51165debe4354602573b_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b59011fdb03a6f9696d6a27b35fd05f0cdb87243e4aac824a309ff8e077361c6_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b5eb668bca1c305eb096d72da69bcb7588e5da5ccd4a6ca765f9075f38699a7a_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:d4329b36c0c1dda7dbbcfeb826b045df9d1aadd4d606ac62a70a8f7740c445d5_amd64"
],
"known_not_affected": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-operator-bundle@sha256:9ce0cdeed264fe07ae4372d898bf4842aa54983206967748d00bdc835555d25f_amd64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-61726"
},
{
"category": "external",
"summary": "RHBZ#2434432",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2434432"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-61726",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-61726"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-61726",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61726"
},
{
"category": "external",
"summary": "https://go.dev/cl/736712",
"url": "https://go.dev/cl/736712"
},
{
"category": "external",
"summary": "https://go.dev/issue/77101",
"url": "https://go.dev/issue/77101"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc",
"url": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2026-4341",
"url": "https://pkg.go.dev/vuln/GO-2026-4341"
}
],
"release_date": "2026-01-28T19:30:31.215000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
"product_ids": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:4736201438be34ef50de48b9a3d66db5afc5e5831f43c03b0997868601f6a9df_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:4bc7e3ff6dbf302216dc178f810b05d7a2111dc282f0f750756cf0bf6087500a_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:7a15c7d86a736b47e5622eab05a3afc503211987f6f43a3dbc84e78bbf669571_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:f244199ed6bfaa0b2402a94d1b68b7249cf3eda9d0147316c3d8879d1f897986_amd64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:035d205705b2efd62713bea9d05cffdc5db7a437f050c4a3e3f12746b05c29d4_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:3ad24c00931c4024f1acf777d5b4abe874fd90f41a7d16053b11b0a24542ff97_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:437e02ffbc088d65e6697c2fd1d45ffd52c24828846a793661eacf2a26e297bc_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:b7a0ed5f55190d1688180a775074916bb6f3a4cb4dde71b48481c9858b514b7e_amd64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:2e122bde4ebe81137cc444ee6f320bdb9ecc44f04a6f7cc8bddc4118cefcf93c_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:4bc6678736ae57b9980042fa1890226fa0e9850c780815ec641425af6c24c121_amd64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:78651ded14b7828ba304579cc335543b993b395d0725c1980ea388b2130076d2_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-manager-rhel9@sha256:cbeb3fb1de219e3e515ba7e02f34836ebd1717d2dced4a6f1f46058f57e6d5eb_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:239e83fb26062ff6f3f7a50e299e54e272e6342660bb3f387f952edf9e354763_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:39c70f4fcd2ad2bb8495de3e748f8ec60d0dad9e2f7e4d41ebcfde777d99cc0c_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:9d6c8bd778da4dd6e45730d8a6c00b8e24e930de6c7b64461d348315495134f4_amd64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:be5fe7a5bb171515bbdd7f747f76aa0cf8486ed62f7a1ee80405b602a810aef7_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:48c808f50398202bcac609f760af2289df8e190cdf6c51165debe4354602573b_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b59011fdb03a6f9696d6a27b35fd05f0cdb87243e4aac824a309ff8e077361c6_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b5eb668bca1c305eb096d72da69bcb7588e5da5ccd4a6ca765f9075f38699a7a_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:d4329b36c0c1dda7dbbcfeb826b045df9d1aadd4d606ac62a70a8f7740c445d5_amd64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.",
"product_ids": [
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:4bc7e3ff6dbf302216dc178f810b05d7a2111dc282f0f750756cf0bf6087500a_arm64",
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:3ad24c00931c4024f1acf777d5b4abe874fd90f41a7d16053b11b0a24542ff97_ppc64le",
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]
}
],
"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": [
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:d4329b36c0c1dda7dbbcfeb826b045df9d1aadd4d606ac62a70a8f7740c445d5_amd64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "golang: net/url: Memory exhaustion in query parameter parsing in net/url"
},
{
"cve": "CVE-2025-61728",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-01-28T20:01:39.965024+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
"product_ids": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-operator-bundle@sha256:9ce0cdeed264fe07ae4372d898bf4842aa54983206967748d00bdc835555d25f_amd64"
]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2434431"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the archive/zip package in the Go standard library. A super-linear file name indexing algorithm is used in the first time a file in an archive is opened. A crafted zip archive containing a specific arrangement of file names can cause an excessive CPU and memory consumption. A Go application processing a malicious archive can become unresponsive or crash, resulting in a denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "To exploit this flaw, an attacker needs to be able to process a malicious zip archive with an application using the archive/zip package. Additionally, this vulnerability can cause a Go application to consume an excessive amount of CPU and memory, eventually resulting in a denial of service with no other security impact. Due to these reasons, this flaw has been rated with a moderate severity.",
"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": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:4736201438be34ef50de48b9a3d66db5afc5e5831f43c03b0997868601f6a9df_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:4bc7e3ff6dbf302216dc178f810b05d7a2111dc282f0f750756cf0bf6087500a_arm64",
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:239e83fb26062ff6f3f7a50e299e54e272e6342660bb3f387f952edf9e354763_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:39c70f4fcd2ad2bb8495de3e748f8ec60d0dad9e2f7e4d41ebcfde777d99cc0c_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:9d6c8bd778da4dd6e45730d8a6c00b8e24e930de6c7b64461d348315495134f4_amd64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:be5fe7a5bb171515bbdd7f747f76aa0cf8486ed62f7a1ee80405b602a810aef7_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:48c808f50398202bcac609f760af2289df8e190cdf6c51165debe4354602573b_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b59011fdb03a6f9696d6a27b35fd05f0cdb87243e4aac824a309ff8e077361c6_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b5eb668bca1c305eb096d72da69bcb7588e5da5ccd4a6ca765f9075f38699a7a_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:d4329b36c0c1dda7dbbcfeb826b045df9d1aadd4d606ac62a70a8f7740c445d5_amd64"
],
"known_not_affected": [
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-operator-bundle@sha256:9ce0cdeed264fe07ae4372d898bf4842aa54983206967748d00bdc835555d25f_amd64"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-61728"
},
{
"category": "external",
"summary": "RHBZ#2434431",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2434431"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-61728",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-61728"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-61728",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61728"
},
{
"category": "external",
"summary": "https://go.dev/cl/736713",
"url": "https://go.dev/cl/736713"
},
{
"category": "external",
"summary": "https://go.dev/issue/77102",
"url": "https://go.dev/issue/77102"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc",
"url": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2026-4342",
"url": "https://pkg.go.dev/vuln/GO-2026-4342"
}
],
"release_date": "2026-01-28T19:30:31.354000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
"product_ids": [
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-agent-rhel9@sha256:4bc7e3ff6dbf302216dc178f810b05d7a2111dc282f0f750756cf0bf6087500a_arm64",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "To mitigate this vulnerability, implement a timeout in your archive/zip processing logic to abort the operation if it exceeds a few seconds, preventing the application from consuming an excessive amount of resources.",
"product_ids": [
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]
}
],
"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": [
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip"
},
{
"cve": "CVE-2025-61729",
"cwe": {
"id": "CWE-1050",
"name": "Excessive Platform Resource Consumption within a Loop"
},
"discovery_date": "2025-12-02T20:01:45.330964+00:00",
"flags": [
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"label": "vulnerable_code_not_present",
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2418462"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in golang. A remote attacker could exploit this vulnerability by providing a specially crafted certificate during the error string construction process within the `HostnameError.Error()` function. This flaw, caused by unbounded string concatenation, leads to excessive resource consumption. Successful exploitation can result in a denial of service (DoS) for the affected system.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate",
"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": {
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],
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-61729"
},
{
"category": "external",
"summary": "RHBZ#2418462",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2418462"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-61729",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-61729"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-61729",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-61729"
},
{
"category": "external",
"summary": "https://go.dev/cl/725920",
"url": "https://go.dev/cl/725920"
},
{
"category": "external",
"summary": "https://go.dev/issue/76445",
"url": "https://go.dev/issue/76445"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/8FJoBkPddm4",
"url": "https://groups.google.com/g/golang-announce/c/8FJoBkPddm4"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2025-4155",
"url": "https://pkg.go.dev/vuln/GO-2025-4155"
}
],
"release_date": "2025-12-02T18:54:10.166000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
}
],
"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"
},
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate"
},
{
"cve": "CVE-2025-68121",
"discovery_date": "2026-02-05T18:01:30.086058+00:00",
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2437111"
}
],
"notes": [
{
"category": "description",
"text": "During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have failed. This may happen when a user calls Config.Clone and mutates the returned Config, or uses Config.GetConfigForClient. This can cause a client to resume a session with a server that it would not have resumed with during the initial handshake, or cause a server to resume a session with a client that it would not have resumed with during the initial handshake.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "crypto/tls: Unexpected session resumption in crypto/tls",
"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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],
"known_not_affected": [
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-68121"
},
{
"category": "external",
"summary": "RHBZ#2437111",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437111"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-68121",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-68121"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-68121",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68121"
},
{
"category": "external",
"summary": "https://go.dev/cl/737700",
"url": "https://go.dev/cl/737700"
},
{
"category": "external",
"summary": "https://go.dev/issue/77217",
"url": "https://go.dev/issue/77217"
},
{
"category": "external",
"summary": "https://groups.google.com/g/golang-announce/c/K09ubi9FQFk",
"url": "https://groups.google.com/g/golang-announce/c/K09ubi9FQFk"
},
{
"category": "external",
"summary": "https://pkg.go.dev/vuln/GO-2026-4337",
"url": "https://pkg.go.dev/vuln/GO-2026-4337"
}
],
"release_date": "2026-02-05T17:48:44.141000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "crypto/tls: Unexpected session resumption in crypto/tls"
},
{
"cve": "CVE-2026-27571",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"discovery_date": "2026-02-24T17:04:11.684134+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2442401"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in nats-server. The WebSockets implementation fails to enforce a memory allocation limit during the decompression of WebSocket messages. A malicious compressed payload allows an attacker to cause an excessive memory consumption, eventually resulting in a server crash and a complete denial of service.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "nats-server: WebSockets pre-auth memory DoS",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This flaw does not require valid NATS credentials to be exploited as the use of compression is negotiated before the authentication process. However, only deployments using WebSockets and that are exposed to untrusted network endpoints are vulnerable to this issue, limiting its exposure. Due to these reasons, this issue has been rated with a moderate severity.",
"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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],
"known_not_affected": [
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2026-27571"
},
{
"category": "external",
"summary": "RHBZ#2442401",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442401"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2026-27571",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-27571"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-27571",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27571"
},
{
"category": "external",
"summary": "https://github.com/nats-io/nats-server/commit/f77fb7c4535e6727cc1a2899cd8e6bbdd8ba2017",
"url": "https://github.com/nats-io/nats-server/commit/f77fb7c4535e6727cc1a2899cd8e6bbdd8ba2017"
},
{
"category": "external",
"summary": "https://github.com/nats-io/nats-server/releases/tag/v2.11.12",
"url": "https://github.com/nats-io/nats-server/releases/tag/v2.11.12"
},
{
"category": "external",
"summary": "https://github.com/nats-io/nats-server/releases/tag/v2.12.3",
"url": "https://github.com/nats-io/nats-server/releases/tag/v2.12.3"
},
{
"category": "external",
"summary": "https://github.com/nats-io/nats-server/security/advisories/GHSA-qrvq-68c2-7grw",
"url": "https://github.com/nats-io/nats-server/security/advisories/GHSA-qrvq-68c2-7grw"
}
],
"release_date": "2026-02-24T15:59:17.926000+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2026-03-31T02:53:32+00:00",
"details": "For more details, see the Red Hat Advanced Cluster Management for Kubernetes documentation:\n\nhttps://docs.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.15/html/multicluster_global_hub/index",
"product_ids": [
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:3ad24c00931c4024f1acf777d5b4abe874fd90f41a7d16053b11b0a24542ff97_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-grafana-rhel9@sha256:437e02ffbc088d65e6697c2fd1d45ffd52c24828846a793661eacf2a26e297bc_s390x",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2026:6226"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
"product_ids": [
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]
}
],
"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"
},
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"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9@sha256:be5fe7a5bb171515bbdd7f747f76aa0cf8486ed62f7a1ee80405b602a810aef7_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:48c808f50398202bcac609f760af2289df8e190cdf6c51165debe4354602573b_arm64",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b59011fdb03a6f9696d6a27b35fd05f0cdb87243e4aac824a309ff8e077361c6_ppc64le",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:b5eb668bca1c305eb096d72da69bcb7588e5da5ccd4a6ca765f9075f38699a7a_s390x",
"Multicluster Global Hub 1.6.2:registry.redhat.io/multicluster-globalhub/multicluster-globalhub-rhel9-operator@sha256:d4329b36c0c1dda7dbbcfeb826b045df9d1aadd4d606ac62a70a8f7740c445d5_amd64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "nats-server: WebSockets pre-auth memory DoS"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
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.