Github.com/cloudflare/circl: circl-fourq: missing and wrong validation can lead to incorrect results
Priority LOW 18CWE-1287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Partial Red Hat: 25 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-347.
Summary
A flaw was found in CIRCL's implementation of the FourQ elliptic curve. This vulnerability allows an attacker to compromise session security via low-order point injection and incorrect point validation during Diffie-Hellman key exchange.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00571 47th percentileScored 2026-11-07
Fix Partial circl: 1.6.1github.com/cloudflare/circl (Go): 1.6.1Red Hat: 25 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | circl | before 1.6.1 | 1.6.1 | Patch available | CNA |
| Red Hat | Builds for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | Builds for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | Builds for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | Builds for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | Builds for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | Builds for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | Custom Metric Autoscaler operator for Red Hat Openshift | — | — | No fix listed | CNA |
| Red Hat | Custom Metric Autoscaler operator for Red Hat Openshift | — | — | No fix listed | CNA |
| Red Hat | Custom Metric Autoscaler operator for Red Hat Openshift | — | — | No fix listed | CNA |
| Red Hat | Custom Metric Autoscaler operator for Red Hat Openshift | — | — | No fix listed | CNA |
| Red Hat | Custom Metric Autoscaler operator for Red Hat Openshift | — | — | No fix listed | CNA |
| Red Hat | Multicluster Global Hub | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Pipelines | — | — | No fix listed | CNA |
| Red Hat | OpenShift Serverless | — | — | No fix listed | CNA |
| Red Hat | OpenShift Serverless | — | — | No fix listed | CNA |
| Red Hat | OpenShift Serverless | — | — | No fix listed | CNA |
| Red Hat | OpenShift Serverless | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | OpenShift Service Mesh 3 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Advanced Cluster Security 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Ceph Storage 5 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Ceph Storage 5 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Ceph Storage 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Ceph Storage 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Ceph Storage 8 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Ceph Storage 8 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Developer Hub 1 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Developer Hub 1 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Edge Manager preview | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift AI (RHOAI) | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift AI (RHOAI) | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Dev Workspaces Operator | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Dev Workspaces Operator | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Dev Workspaces Operator | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift for Windows Containers | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift for Windows Containers | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift GitOps | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift GitOps | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift GitOps | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift GitOps | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenShift Virtualization 4 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenStack Platform 16.2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenStack Platform 16.2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenStack Platform 16.2 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenStack Platform 17.1 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenStack Platform 17.1 | — | — | No fix listed | CNA |
| Red Hat | Red Hat OpenStack Platform 17.1 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Application Pipeline | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Artifact Signer | — | — | No fix listed | CNA |
| Red Hat | Red Hat Trusted Profile Analyzer | — | — | No fix listed | CNA |
| — | github.com/cloudflare/circl (Go) | before 1.6.1 | 1.6.1 | Patch available | GHSA-2x5j-vhc8-9cwm |
- circl Vendor— Affected before 1.6.1 Fixed in 1.6.1 Patch available CNA
- Builds for Red Hat OpenShift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Builds for Red Hat OpenShift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Builds for Red Hat OpenShift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Builds for Red Hat OpenShift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Builds for Red Hat OpenShift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Builds for Red Hat OpenShift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Custom Metric Autoscaler operator for Red Hat Openshift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Custom Metric Autoscaler operator for Red Hat Openshift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Custom Metric Autoscaler operator for Red Hat Openshift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Custom Metric Autoscaler operator for Red Hat Openshift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Custom Metric Autoscaler operator for Red Hat Openshift VendorRed Hat Affected — Fixed in — No fix listed CNA
- Multicluster Global Hub VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Pipelines VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Serverless VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Serverless VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Serverless VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Serverless VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- OpenShift Service Mesh 3 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Management for Kubernetes 2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Advanced Cluster Security 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Ceph Storage 5 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Ceph Storage 5 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Ceph Storage 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Ceph Storage 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Ceph Storage 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Ceph Storage 8 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Developer Hub 1 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Developer Hub 1 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Edge Manager preview VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux AI (RHEL AI) VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift AI (RHOAI) VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Container Platform 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Dev Workspaces Operator VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Dev Workspaces Operator VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Dev Workspaces Operator VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift for Windows Containers VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift for Windows Containers VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift GitOps VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift GitOps VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift GitOps VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift GitOps VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenShift Virtualization 4 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenStack Platform 16.2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenStack Platform 16.2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenStack Platform 16.2 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenStack Platform 17.1 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenStack Platform 17.1 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat OpenStack Platform 17.1 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Application Pipeline VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Artifact Signer VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Trusted Profile Analyzer VendorRed Hat Affected — Fixed in — No fix listed CNA
- github.com/cloudflare/circl (Go) Vendor— Affected before 1.6.1 Fixed in 1.6.1 Patch available GHSA-2x5j-vhc8-9cwm
CPE names CNA · 27
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:openshift_builds:1 | 1 | — | Red Hat |
| cpe:/a:redhat:openshift_custom_metrics_autoscaler:2 | 2 | — | Red Hat |
| cpe:/a:redhat:multicluster_globalhub | — | — | Red Hat |
| cpe:/a:redhat:openshift_pipelines:1 | 1 | — | Red Hat |
| cpe:/a:redhat:serverless:1 | 1 | — | Red Hat |
| cpe:/a:redhat:service_mesh:3 | 3 | — | Red Hat |
| cpe:/a:redhat:acm:2 | 2 | — | Red Hat |
| cpe:/a:redhat:advanced_cluster_security:4 | 4 | — | Red Hat |
| cpe:/a:redhat:ceph_storage:5 | 5 | — | Red Hat |
| cpe:/a:redhat:ceph_storage:6 | 6 | — | Red Hat |
- cpe:/a:redhat:openshift_builds:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:openshift_custom_metrics_autoscaler:2 Versions 2 — ·Red Hat
- cpe:/a:redhat:multicluster_globalhub Versions — — ·Red Hat
- cpe:/a:redhat:openshift_pipelines:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:serverless:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:service_mesh:3 Versions 3 — ·Red Hat
- cpe:/a:redhat:acm:2 Versions 2 — ·Red Hat
- cpe:/a:redhat:advanced_cluster_security:4 Versions 4 — ·Red Hat
- cpe:/a:redhat:ceph_storage:5 Versions 5 — ·Red Hat
- cpe:/a:redhat:ceph_storage:6 Versions 6 — ·Red Hat
Show 17 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:ceph_storage:8 | 8 | — | Red Hat |
| cpe:/a:redhat:rhdh:1 | 1 | — | Red Hat |
| cpe:/a:redhat:edge_manager:0 | 0 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:10 | 10 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9 | 9 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux_ai:1 | 1 | — | Red Hat |
| cpe:/a:redhat:openshift_ai | — | — | Red Hat |
| cpe:/a:redhat:openshift:4 | 4 | — | Red Hat |
| cpe:/a:redhat:devworkspace | — | — | Red Hat |
| cpe:/a:redhat:windows_machine_config | — | — | Red Hat |
| cpe:/a:redhat:openshift_gitops:1 | 1 | — | Red Hat |
| cpe:/a:redhat:container_native_virtualization:4 | 4 | — | Red Hat |
| cpe:/a:redhat:openstack:16.2 | 16.2 | — | Red Hat |
| cpe:/a:redhat:openstack:17.1 | 17.1 | — | Red Hat |
| cpe:/a:redhat:trusted_application_pipeline:1 | 1 | — | Red Hat |
| cpe:/a:redhat:trusted_artifact_signer:1 | 1 | — | Red Hat |
| cpe:/a:redhat:trusted_profile_analyzer:1 | 1 | — | Red Hat |
- cpe:/a:redhat:ceph_storage:8 Versions 8 — ·Red Hat
- cpe:/a:redhat:rhdh:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:edge_manager:0 Versions 0 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:10 Versions 10 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9 Versions 9 — ·Red Hat
- cpe:/a:redhat:enterprise_linux_ai:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:openshift_ai Versions — — ·Red Hat
- cpe:/a:redhat:openshift:4 Versions 4 — ·Red Hat
- cpe:/a:redhat:devworkspace Versions — — ·Red Hat
- cpe:/a:redhat:windows_machine_config Versions — — ·Red Hat
- cpe:/a:redhat:openshift_gitops:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:container_native_virtualization:4 Versions 4 — ·Red Hat
- cpe:/a:redhat:openstack:16.2 Versions 16.2 — ·Red Hat
- cpe:/a:redhat:openstack:17.1 Versions 17.1 — ·Red Hat
- cpe:/a:redhat:trusted_application_pipeline:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:trusted_artifact_signer:1 Versions 1 — ·Red Hat
- cpe:/a:redhat:trusted_profile_analyzer:1 Versions 1 — ·Red Hat
Remediation
- Fix · CNA circl Fixed in 1.6.1
- Fix · GHSA-2x5j-vhc8-9cwm github.com/cloudflare/circl (Go) Fixed in 1.6.1 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Builds for Red Hat OpenShift | Affected | No fix yet: Fix deferred |
| Custom Metric Autoscaler operator for Red Hat Openshift | Affected | No fix yet: Fix deferred |
| Multicluster Global Hub | Affected | No fix yet: Fix deferred |
| OpenShift Pipelines | Affected | No fix yet: Fix deferred |
| OpenShift Serverless | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 3 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Security 4 | Affected | No fix planned: Will not fix |
| Red Hat Ceph Storage 5 | Affected | No fix yet: Fix deferred |
| Red Hat Ceph Storage 6 | Affected | No fix yet: Fix deferred |
| Red Hat Ceph Storage 8 | Affected | No fix yet: Fix deferred |
| Red Hat Developer Hub 1 | Affected | No fix yet: Fix deferred |
| Red Hat Edge Manager preview | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux AI (RHEL AI) | Affected | No fix planned: Will not fix |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Dev Workspaces Operator | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift GitOps | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Virtualization 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift for Windows Containers | Affected | No fix yet: Fix deferred |
| Red Hat OpenStack Platform 16.2 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 17.1 | Affected | No fix planned: Out of support scope |
| Red Hat Trusted Application Pipeline | Affected | No fix planned: Will not fix |
| Red Hat Trusted Artifact Signer | Affected | No fix planned: Will not fix |
| Red Hat Trusted Profile Analyzer | Affected | No fix planned: Will not fix |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux AI (RHEL AI)
Timeline
- 2026-10-02 Threatist record created from CVE-2025-8556
- 2026-10-03 Alias added: GHSA-2x5j-vhc8-9cwm
- 2026-10-27 Affected versions changed · CNA
- 2026-10-27 Affected versions changed · Red Hat
References
Other 7
- https://access.redhat.com/security/cve/CVE-2025-8556
- RHBZ#2371624
- https://github.com/cloudflare/circl
- https://github.com/cloudflare/circl/security/advisories/GHSA-2x5j-vhc8-9cwm
- https://github.com/cloudflare/circl/tree/v1.6.1
- https://news.ycombinator.com/item?id=45669593
- https://www.botanica.software/blog/cryptographic-issues-in-cloudflares-circl-fourq-implementation
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- TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
- TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-8556 · CVE Program
- CVE-2025-8556 · NVD
- FIRST EPSS
- GHSA-2x5j-vhc8-9cwm · GitHub Advisory Database · CC BY 4.0
- CVE-2025-8556 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences