The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto…
Priority LOW 35Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 8 fixed, 16 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server.
Why it matters now
EPSS 0.01193 68th percentileScored 2026-11-07
Fix Partial golang.org/x/crypto (Go): 0.0.0-20211202192323-5770296d904eRed Hat: 15 advisoriesRed Hat: 8 fixed, 16 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | golang.org/x/crypto (Go) | before 0.0.0-20211202192323-5770296d904e | 0.0.0-20211202192323-5770296d904e | Patch available | GHSA-gwc9-m7rh-j2ww |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- golang.org/x/crypto (Go) Vendor— Affected before 0.0.0-20211202192323-5770296d904e Fixed in 0.0.0-20211202192323-5770296d904e Patch available GHSA-gwc9-m7rh-j2ww
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:golang:ssh:*:*:*:*:*:*:*:* | before 0.0.0-20211202192323-5770296d904e | Vulnerable | Go standard library |
- cpe:2.3:a:golang:ssh:*:*:*:*:*:*:*:* Versions before 0.0.0-20211202192323-5770296d904e Vulnerable ·Go standard library
Remediation
- Fix · GHSA-gwc9-m7rh-j2ww golang.org/x/crypto (Go) Fixed in 0.0.0-20211202192323-5770296d904e Advisory →
Red Hat 15 advisories
- RHSA-2026:79243 Released 2026-10-08 · Red Hat rating ImportantRed Hat Ceph Storage
- Red Hat Ceph Storage 8.1 registry.redhat.io/rhceph/grafana-rhel9, registry.redhat.io/rhceph/rhceph-8-rhel9
- RHSA-2024:2944 Released 2024-05-21 · Red Hat rating ImportantAMQ Broker 7.12.0.OPR.1.GA Container Images release and security update
- Middleware Containers for OpenShift amq7/amq-broker-init-rhel8, amq7/amq-broker-rhel8, amq7/amq-broker-rhel8-operator +1
- RHSA-2022:8938 Released 2022-12-13 · Red Hat rating LowRelease of OpenShift Serverless 1.26.0
- Red Hat OpenShift Serverless 1.26 openshift-serverless-1-tech-preview/knative-client-plugin-event-sender-rhel8, openshift-serverless-1-tech-preview/logic-data-index-ephemeral-rhel8, openshift-serverless-1/client-kn-rhel8 +34
Show 12 more Red Hat advisories
- RHSA-2022:5069 Released 2022-08-10 · Red Hat rating ImportantOpenShift Container Platform 4.11.0 bug fix and security update
- Red Hat OpenShift Container Platform 4.11 openshift4/ose-alibaba-disk-csi-driver-operator-container-rhel8, openshift4/ose-alibaba-machine-controllers-rhel8, openshift4/ose-aws-ebs-csi-driver-rhel8 +47
- RHSA-2022:5068 Released 2022-08-10 · Red Hat rating ModerateOpenShift Container Platform 4.11.0 packages and security update
- Ironic content for Red Hat OpenShift Container Platform 4.11 libsodium-1.0.16-5.el8, libsodium-devel-1.0.16-5.el8, libsodium-static-1.0.16-5.el8 +47
- Red Hat OpenShift Container Platform 4.11 afterburn-5.3.0-1.rhaos4.11.el8, atomic-openshift-service-idler-4.11.0-202206222028.p0.g39cfc66.assembly.stream.el8, bootupd-0.2.5-3.rhaos4.11.el8 +47
- RHSA-2022:5673 Released 2022-07-20 · Red Hat rating ImportantRelease of containers for OSP 16.2.z director operator tech preview
- Red Hat OpenStack Platform 16.2 rhosp-rhel8-tech-preview/osp-director-downloader, rhosp-rhel8-tech-preview/osp-director-operator
- RHSA-2022:5201 Released 2022-06-27 · Red Hat rating ModerateRed Hat Advanced Cluster Management 2.4.5 security updates and bug fixes
- Red Hat Advanced Cluster Management for Kubernetes 2.4 for RHEL 8 rhacm2/acm-grafana-rhel8, rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle +47
- RHSA-2022:5188 Released 2022-06-24 · Red Hat rating ImportantRHACS 3.69 security update
- RHACS 3.69 for RHEL 8 advanced-cluster-security/rhacs-main-rhel8
- RHSA-2022:4956 Released 2022-06-09 · Red Hat rating ImportantRed Hat Advanced Cluster Management 2.5 security updates, images, and bug fixes
- Red Hat Advanced Cluster Management for Kubernetes 2.5 for RHEL 8 rhacm2/acm-cluster-proxy-rhel8, rhacm2/acm-governance-policy-addon-controller-rhel8, rhacm2/acm-grafana-rhel8 +47
- RHSA-2022:1681 Released 2022-05-03 · Red Hat rating ModerateRed Hat Advanced Cluster Management 2.4.4 security updates and bug fixes
- Red Hat Advanced Cluster Management for Kubernetes 2.4 for RHEL 8 rhacm2/acm-grafana-rhel8, rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle +47
- RHSA-2022:1476 Released 2022-04-21 · Red Hat rating ModerateRed Hat Advanced Cluster Management 2.4.3 security updates and bug fixes
- Red Hat Advanced Cluster Management for Kubernetes 2.4 for RHEL 8 rhacm2/acm-grafana-rhel8, rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle +47
- RHSA-2022:1372 Released 2022-04-13 · Red Hat rating ImportantRed Hat OpenShift Data Foundation 4.10.0 enhancement, security & bug fix update
- RHODF 4.10 for RHEL 8 odf4/cephcsi-rhel8, odf4/mcg-core-rhel8, odf4/mcg-operator-bundle +21
- RHSA-2022:1361 Released 2022-04-13 · Red Hat rating ImportantRed Hat OpenShift Data Foundation 4.10.0 RPM security,enhancement&bugfix update
- RHODF 4.10 for RHEL 8 mcg-5.10.0-72.el8, mcg-redistributable-5.10.0-72.el8
- RHSA-2022:1276 Released 2022-04-07 · Red Hat rating ImportantRed Hat OpenShift Service Mesh 2.0.9 security update
- OpenShift Service Mesh 2.0 kiali-v1.24.7.redhat1-1.el8, servicemesh-2.0.9-3.el8, servicemesh-istioctl-2.0.9-3.el8 +6
- RHSA-2022:0735 Released 2022-03-03 · Red Hat rating ImportantRed Hat Advanced Cluster Management 2.4.2 security updates and bug fixes
- Red Hat Advanced Cluster Management for Kubernetes 2.4 for RHEL 8 rhacm2/acm-grafana-rhel8, rhacm2/acm-must-gather-rhel8, rhacm2/acm-operator-bundle +47
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Migration Toolkit for Containers | Affected | No fix planned: Will not fix |
| OpenShift Serverless | Affected | No fix yet |
| OpenShift Service Mesh 1 | Affected | No fix planned: Out of support scope |
| OpenShift Service Mesh 2.0 | Affected | No fix yet |
| OpenShift Service Mesh 2.1 | Affected | No fix yet |
| Red Hat AMQ Broker 7 | Affected | No fix yet |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet |
| Red Hat Advanced Cluster Security 3 | Affected | No fix planned: Will not fix |
| Red Hat Ceph Storage 2 | Affected | No fix planned: Out of support scope |
| Red Hat Ceph Storage 3 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Out of support scope |
| Red Hat OpenStack Platform 16.2 | Affected | No fix yet |
| Red Hat Openshift Data Foundation 4 | Affected | No fix yet |
| Red Hat Quay 3 | Affected | No fix planned: Will not fix |
| Red Hat Storage 3 | Affected | No fix planned: Out of support scope |
| Middleware Containers for OpenShift | Fixed | RHSA-2024:2944 |
| OpenShift Service Mesh 2.0 | Fixed | RHSA-2022:1276 |
| RHACS 3.69 for RHEL 8 | Fixed | RHSA-2022:5188 |
| RHODF 4.10 for RHEL 8 | Fixed | RHSA-2022:1361, RHSA-2022:1372 |
| Red Hat Ceph Storage 8.1 | Fixed | RHSA-2026:79243 |
| Red Hat OpenShift Container Platform 4.11 | Fixed | RHSA-2022:5068, RHSA-2022:5069 |
| Red Hat OpenShift Serverless 1.26 | Fixed | RHSA-2022:8938 |
| Red Hat OpenStack Platform 16.2 | Fixed | RHSA-2022:5673 |
Not affected: 18 products
- Ironic content for Red Hat OpenShift Container Platform 4.11
- Middleware Containers for OpenShift
- OpenShift Service Mesh 2.0
- RHACS 3.69 for RHEL 8
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Ceph Storage 4
- Red Hat Ceph Storage 5
- Red Hat Ceph Storage 8.1
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4.11
- Red Hat OpenShift Virtualization 4
- Red Hat OpenStack Platform 16.1
- Red Hat OpenStack Platform 16.2
- Red Hat Openshift Sandboxed Containers
- Red Hat Storage 3
- Service Telemetry Framework 1.2 for RHEL 8
- Service Telemetry Framework 1.3 for RHEL 8
Timeline
- 2026-10-02 Threatist record created from CVE-2021-43565
- 2026-10-03 Alias added: GHSA-gwc9-m7rh-j2ww
- 2026-10-09 Fix available: RHSA-2026:79243 · Red Hat
- 2026-10-09 Fix available: Red Hat Ceph Storage 8.1 · Red Hat
References
Advisory 2
More Go standard library Ssh vulnerabilities
- TI-2022-10313 The golang.org/x/crypto/ssh package before 0.0.0-20220314234659-1baeb1ce4c0b for Go… CVSS 3.1HIGH 7.5
- TI-2020-17810 A nil pointer dereference in the golang.org/x/crypto/ssh component through… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-43565 · CVE Program
- CVE-2021-43565 · NVD
- FIRST EPSS
- GHSA-gwc9-m7rh-j2ww · GitHub Advisory Database · CC BY 4.0
- CVE-2021-43565 · 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