RHSA-2026:22299
Vulnerability from csaf_redhat - Published: 2026-06-01 07:21 - Updated: 2026-06-25 00:10A flaw was found in Go's `crypto/x509` package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service (DoS) for applications or systems performing certificate validation.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:365451b37b74743f123684976d01bee50f3342feed9a538eb1f64d630e99325f_amd64 | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:5b1a38089985b74754dfeb0888e32af42f6808d647c28f37ddf8db72aa77a871_arm64 | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:627567b8f0dff2b752da7618db040d5dc16e836bfc84aa8618e24930f9754d21_ppc64le | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:6bc0e8e3035dea680fd63b81c6b2a83f7b046ece14d32e0c886d3699e9a78f3e_s390x | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:aea2f22b7f61cb32fb82ccde987e8bc36d49c88ae91181fcc6787a6e352c7ee7_amd64 | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:b1a02de0dc3ee11c2919f056e6db377fe2df608c82a6dced1af1ea1a230276bb_ppc64le | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:c5a7a5418f3e94573f8357e9f324d5ca5030f22b8d9450995ade1f1a5d722019_s390x | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:f201d7a4151149fe66c6a8acfd12ef0a41bd856a3733520439bea3e044dc12ee_arm64 | — |
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A flaw was found in the internal/syscall/unix package in the Go standard library. If the target of the `Root.Chmod` function is replaced with a symbolic link during execution, specifically after `Root.Chmod` checks the target but before acting, the `chmod` operation will be performed on the file the symbolic link points to. This issue can bypass directory restrictions and lead to unauthorized permission changes on the filesystem.
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:365451b37b74743f123684976d01bee50f3342feed9a538eb1f64d630e99325f_amd64 | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:5b1a38089985b74754dfeb0888e32af42f6808d647c28f37ddf8db72aa77a871_arm64 | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:627567b8f0dff2b752da7618db040d5dc16e836bfc84aa8618e24930f9754d21_ppc64le | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel8@sha256:6bc0e8e3035dea680fd63b81c6b2a83f7b046ece14d32e0c886d3699e9a78f3e_s390x | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:aea2f22b7f61cb32fb82ccde987e8bc36d49c88ae91181fcc6787a6e352c7ee7_amd64 | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:b1a02de0dc3ee11c2919f056e6db377fe2df608c82a6dced1af1ea1a230276bb_ppc64le | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:c5a7a5418f3e94573f8357e9f324d5ca5030f22b8d9450995ade1f1a5d722019_s390x | — |
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| Unresolved product id: OpenShift Developer Tools and Services 1.6.2:registry.redhat.io/source-to-image/source-to-image-rhel9@sha256:f201d7a4151149fe66c6a8acfd12ef0a41bd856a3733520439bea3e044dc12ee_arm64 | — |
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]
}
],
"scores": [
{
"cvss_v3": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "golang: internal/syscall/unix: Root.Chmod can follow symlinks out of the root"
}
]
}
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.