RHSA-2026:22627
Vulnerability from csaf_redhat - Published: 2026-06-02 18:12 - Updated: 2026-06-28 08:40A 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.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:04da784838d3992a8db2d095ea1404cdb96bc07e0dd31878f3c1a4f6516ce2a7_ppc64le | — |
Vendor Fix
fix
Workaround
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| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:310fd968ce23f308f35667fefa8028bfe41f947b90152b7244694785a7fc3594_amd64 | — |
Vendor Fix
fix
Workaround
|
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| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:5b10e21ffe129532c9e31f6eb6554f77ac71e6de51679f35b1658040e0692124_s390x | — |
Vendor Fix
fix
Workaround
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-operator-bundle@sha256:813c9713c4e2e5a1c26b3c1d0b9fbdff9b0eb7cc966e4aa54620822890965891_amd64 | — |
Workaround
|
A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security (TLS) session resumption when certificate authority (CA) settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing a client or server to establish a connection that should have been rejected. This could lead to an authentication bypass under specific conditions.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:04da784838d3992a8db2d095ea1404cdb96bc07e0dd31878f3c1a4f6516ce2a7_ppc64le | — |
Vendor Fix
fix
|
|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:310fd968ce23f308f35667fefa8028bfe41f947b90152b7244694785a7fc3594_amd64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:5b10e21ffe129532c9e31f6eb6554f77ac71e6de51679f35b1658040e0692124_s390x | — |
Vendor Fix
fix
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-operator-bundle@sha256:813c9713c4e2e5a1c26b3c1d0b9fbdff9b0eb7cc966e4aa54620822890965891_amd64 | — |
The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:04da784838d3992a8db2d095ea1404cdb96bc07e0dd31878f3c1a4f6516ce2a7_ppc64le | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:310fd968ce23f308f35667fefa8028bfe41f947b90152b7244694785a7fc3594_amd64 | — |
Vendor Fix
fix
Workaround
|
|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:5b10e21ffe129532c9e31f6eb6554f77ac71e6de51679f35b1658040e0692124_s390x | — |
Vendor Fix
fix
Workaround
|
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-operator-bundle@sha256:813c9713c4e2e5a1c26b3c1d0b9fbdff9b0eb7cc966e4aa54620822890965891_amd64 | — |
Workaround
|
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"vulnerabilities": [
{
"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",
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"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"
}
],
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"summary": "Canonical URL",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2434432"
},
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"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"
},
{
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"summary": "https://go.dev/cl/736712",
"url": "https://go.dev/cl/736712"
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"summary": "https://go.dev/issue/77101",
"url": "https://go.dev/issue/77101"
},
{
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"summary": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc",
"url": "https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc"
},
{
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"summary": "https://pkg.go.dev/vuln/GO-2026-4341",
"url": "https://pkg.go.dev/vuln/GO-2026-4341"
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"release_date": "2026-01-28T19:30:31.215000+00:00",
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"date": "2026-06-02T18:12:25+00:00",
"details": "Before applying this update, make sure all previously released errata relevant to your\nsystem have been applied. For details on how to apply this update, refer to:\n\nhttps://docs.openshift.com/container-platform/latest/updating/updating_a_cluster/updating-cluster-cli.html",
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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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]
}
],
"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "golang: net/url: Memory exhaustion in query parameter parsing in net/url"
},
{
"cve": "CVE-2025-68121",
"discovery_date": "2026-02-05T18:01:30.086058+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
"product_ids": [
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],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2437111"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in the crypto/tls component. This vulnerability occurs during Transport Layer Security (TLS) session resumption when certificate authority (CA) settings are modified between the initial and resumed handshakes. An attacker could exploit this to bypass certificate validation, allowing a client or server to establish a connection that should have been rejected. This could lead to an authentication bypass under specific conditions.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "crypto/tls: crypto/tls: Incorrect certificate validation during TLS session resumption",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This is a moderate flaw because it only occurs under specific conditions, such as TLS session resumption with runtime changes to certificate authority settings. Exploitation is not straightforward and requires a controlled setup. The impact is limited to certificate validation within the same component and does not affect system availability.",
"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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"OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:5b10e21ffe129532c9e31f6eb6554f77ac71e6de51679f35b1658040e0692124_s390x"
],
"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": "2026-06-02T18:12:25+00:00",
"details": "Before applying this update, make sure all previously released errata relevant to your\nsystem have been applied. For details on how to apply this update, refer to:\n\nhttps://docs.openshift.com/container-platform/latest/updating/updating_a_cluster/updating-cluster-cli.html",
"product_ids": [
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2026:22627"
}
],
"scores": [
{
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"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: crypto/tls: Incorrect certificate validation during TLS session resumption"
},
{
"cve": "CVE-2026-25679",
"cwe": {
"id": "CWE-1286",
"name": "Improper Validation of Syntactic Correctness of Input"
},
"discovery_date": "2026-03-06T22:02:11.567841+00:00",
"flags": [
{
"label": "vulnerable_code_not_present",
"product_ids": [
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]
}
],
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2445356"
}
],
"notes": [
{
"category": "description",
"text": "The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "net/url: Incorrect parsing of IPv6 host literals in net/url",
"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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"OpenShift File Integrity Operator - FIO 1:registry.redhat.io/compliance/openshift-file-integrity-rhel8-operator@sha256:310fd968ce23f308f35667fefa8028bfe41f947b90152b7244694785a7fc3594_amd64",
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"references": [
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{
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{
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},
{
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}
],
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
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"version": "3.1"
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"details": "Important"
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],
"title": "net/url: Incorrect parsing of IPv6 host literals in net/url"
}
]
}
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.