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Fencer Vulns
high 7.5

CVE-2025-22869 json

Potential denial of service in golang.org/x/crypto

published 2025-02-26 20 mo ago modified 2026-09-10 1 mo ago also EUVD-2025-5340 , GHSA-hcg3-q754-cr77 , GO-2025-3487

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

SSH servers which implement file transfer protocols are vulnerable to a denial of service attack from clients which complete the key exchange slowly, or not at all, causing pending content to be read into memory, but never transmitted.

Patch / fix

  • go golang.org/x/crypto 0.35.0
  • golang.org/x/crypto golang.org/x/crypto/ssh 0.35.0
  • golang-go.crypto Debian 14 1:0.42.0-1

debian advisories DEBIAN-CVE-2025-22869

  • golang-go.crypto Ubuntu 25.10 1:0.25.0-1ubuntu0.1
  • golang-go.crypto Ubuntu Pro 18.04 LTS 1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm3
  • golang-go.crypto Ubuntu Pro 20.04 LTS 1:0.0~git20200221.2aa609c-1ubuntu0.1~esm3
  • golang-go.crypto Ubuntu Pro 22.04 LTS 1:0.0~git20211202.5770296-1ubuntu0.1~esm3
  • golang-go.crypto Ubuntu Pro 24.04 LTS 1:0.19.0-1ubuntu0.1~esm3

ubuntu advisories UBUNTU-CVE-2025-22869

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gvisor-tap-vsock RHEL 10.0 6:0.8.5-1.el10_0
  • gvisor-tap-vsock-gvforwarder RHEL 10.0 6:0.8.5-1.el10_0
  • podman RHEL 10.0 6:5.4.0-9.el10_0
  • podman-tests RHEL 10.0 6:5.4.0-9.el10_0
  • podman-docker RHEL 10.0 6:5.4.0-9.el10_0
  • podman-remote RHEL 10.0 6:5.4.0-9.el10_0
  • gvisor-tap-vsock RHEL 9 6:0.8.5-1.el9_6
  • gvisor-tap-vsock-gvforwarder RHEL 9 6:0.8.5-1.el9_6

red hat advisories RHSA-2025:7484RHSA-2025:7462RHSA-2025:7416RHSA-2025:7391RHSA-2025:3833RHSA-2025:3685

  • podman Linux Micro 6.1 5.4.2-slfo.1.1_6.1
  • docker-compose Linux Micro 6.1 2.33.1-slfo.1.1_3.1
  • terraform-provider-aws SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 3.11.0-150200.6.18.1
  • terraform-provider-tls SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 3.0.0-150200.5.15.1
  • terraform-provider-helm SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 2.9.0-150200.6.23.1
  • terraform-provider-null SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 3.0.0-150200.6.18.1
  • terraform-provider-local SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 2.0.0-150200.6.17.1
  • terraform-provider-google SLE Module for Public Cloud 15 SP5, SLE Module for Public Cloud 15 SP4 3.43.0-150200.6.12.1

suse advisories SUSE-SU-2026:24378-1SUSE-SU-2026:22887-1SUSE-SU-2026:3056-1SUSE-SU-2026:22546-1SUSE-SU-2026:22567-1SUSE-SU-2026:22703-1

  • k3sup openSUSE Tumbleweed 0.13.14-1.1
  • kumactl openSUSE Tumbleweed 3.0.0-1.1
  • containerized-data-importer1.65 openSUSE Leap 16.0 1.65.0-160000.3.1
  • amazon-ssm-agent openSUSE Tumbleweed 3.3.5226.0-1.1
  • git-lfs openSUSE Leap 16.0 3.7.1-bp160.1.1
  • gitea-tea openSUSE Leap 16.0 0.15.1-bp160.1.1
  • vexctl openSUSE Leap 16.0 0.4.4+git20.5d61136-160000.1.1
  • docker-compose openSUSE Leap 16.0 2.33.1-160000.5.1

opensuse advisories openSUSE-SU-2026:12295-1openSUSE-SU-2026:12300-1openSUSE-SU-2026:21824-1openSUSE-SU-2026:11694-1openSUSE-SU-2026:21621-1openSUSE-SU-2026:21603-1

  • podman AlmaLinux 10 6:5.4.0-9.el10_0
  • podman-tests AlmaLinux 10 6:5.4.0-9.el10_0
  • podman-docker AlmaLinux 10 6:5.4.0-9.el10_0
  • podman-remote AlmaLinux 10 6:5.4.0-9.el10_0
  • gvisor-tap-vsock AlmaLinux 10 6:0.8.5-1.el10_0
  • gvisor-tap-vsock-gvforwarder AlmaLinux 10 6:0.8.5-1.el10_0
  • gvisor-tap-vsock AlmaLinux 9 6:0.8.5-1.el9_5
  • crit AlmaLinux 8 3.18-5.module_el8.10.0+3901+4b80ecd7

almalinux advisories ALSA-2025:7462ALSA-2025:7484ALSA-2025:3833ALSA-2025:3210

  • podman Rocky Linux 9 5:5.4.0-9.el9_6
  • podman Rocky Linux 10 6:5.4.0-9.el10_0
  • gvisor-tap-vsock Rocky Linux 10 6:0.8.5-1.el10_0
  • gvisor-tap-vsock Rocky Linux 9 6:0.8.5-1.el9_6
  • criu Rocky Linux 8 3.18-5.module+el8.10.0+1872+2e18eb19
  • criu Rocky Linux 8 3.18-5.module+el8.10.0+1874+ce489889
  • criu Rocky Linux 8 3.18-5.module+el8.10.0+1880+8e896d1b
  • criu Rocky Linux 8 3.18-5.module+el8.10.0+1896+b18fa106

rocky linux advisories RLSA-2025:7391RLSA-2025:7462RLSA-2025:7484RLSA-2025:3833RLSA-2025:7416RLSA-2025:3210

  • rclone Alpine 3.24, Alpine 3.23, Alpine 3.22 1.69.2-r0

alpine advisories ALPINE-CVE-2025-22869

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • podman Azure Linux 3.0 5.6.1-2
  • kubernetes Azure Linux 3.0 1.30.10-3
  • node-problem-detector Azure Linux 3.0 0.8.20-2
  • cf-cli Azure Linux 3.0 8.7.11-2
  • telegraf Azure Linux 3.0 1.31.0-7
  • gh Azure Linux 3.0 2.62.0-7
  • docker-buildx Azure Linux 3.0 0.14.0-4
  • cert-manager Azure Linux 3.0 1.12.15-2

azure linux advisories AZL-57286AZL-57303AZL-57323AZL-57347AZL-57350AZL-57353

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-22869 updated cvss 7.5

golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh

  • Red Hat Assisted Installer for Red Hat OpenShift Container Platform 2 rhai-tech-preview/assisted-installer-rhel8, rhai-tech-preview/assisted-installer-reporter-rhel8 Red Hat cert-manager Operator for Red Hat OpenShift cert-manager/jetstack-cert-manager-rhel9, cert-manager/jetstack-cert-manager-acmesolver-rhel9 Red Hat Multicluster Engine for Kubernetes multicluster-engine/agent-service-rhel8, multicluster-engine/assisted-service-8-rhel8, multicluster-engine/assisted-service-9-rhel9, multicluster-engine/image-based-install-rhel9 Red Hat OpenShift Developer Tools and Services ocp-tools-4/jenkins-agent-base-rhel8 Red Hat OpenShift Pipelines openshift-pipelines-client
    affected: workaround, no fix available “This flaw can be mitigated when using the client only connecting to trusted servers.”
  • Red Hat OpenShift Serverless openshift-serverless-1/client-kn-rhel8, openshift-serverless-1/func-utils-rhel8
    affected: workaround, no fix planned “This flaw can be mitigated when using the client only connecting to trusted servers.”
  • Red Hat Advanced Cluster Management for Kubernetes 2 gatekeeper/gatekeeper-rhel9, rhacm2/metrics-collector-rhel9, rhacm2/observatorium-rhel9-operator, gatekeeper/gatekeeper-rhel9-operator, rhacm2/grafana-dashboard-loader-rhel9, rhacm2/endpoint-monitoring-rhel9-operator, +5 more Red Hat Ceph Storage 8 rhceph/grafana-rhel9 Red Hat Ceph Storage 9 rhceph-ci/alloy, rhceph/alloy-rhel10 Red Hat Edge Manager preview rhacm2/acm-flightctl-api-rhel9, rhacm2/acm-flightctl-worker-rhel9, rhacm2/acm-flightctl-periodic-rhel9
    affected: workaround, no fix available “This flaw can be mitigated when using the client only connecting to trusted servers.”
  • Red Hat OpenShift AI (RHOAI) rhoai/odh-model-registry-rhel8, rhoai/odh-data-science-pipelines-argo-argoexec-rhel8, rhoai/odh-data-science-pipelines-argo-workflowcontroller-rhel8
    affected: workaround, no fix available, no fix planned “This flaw can be mitigated when using the client only connecting to trusted servers.”
  • Red Hat OpenShift Container Platform 4 podman, podman-tests, podman-docker, podman-remote, podman-gvproxy, podman-plugins, +2 more Red Hat OpenShift Dev Spaces devspaces/traefik-rhel8, devspaces/devspaces-rhel8-operator Red Hat OpenShift on AWS rosa Red Hat Openshift Sandboxed Containers openshift-sandboxed-containers/osc-podvm-builder-rhel9, openshift-sandboxed-containers/osc-podvm-payload-rhel9, openshift-sandboxed-containers/osc-cloud-api-adaptor-rhel9, openshift-sandboxed-containers/osc-cloud-api-adaptor-webhook-rhel9 Red Hat Storage 3 heketi, heketi-client, python-heketi
    affected: workaround, no fix available “This flaw can be mitigated when using the client only connecting to trusted servers.”
  • Red Hat Builds for Red Hat OpenShift 1.2.2 openshift-builds 1.2.2-1744783337, openshift-builds 1.2.2-1744783340, openshift-builds 1.2.2-1744783467, openshift-builds 1.2.2-1744783714, openshift-builds 1.2.2-1744785603, openshift-builds 1.2.2-1744792147
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:4188
  • Red Hat Builds for Red Hat OpenShift 1.3.2 openshift-builds 1.3.2-1744785084, openshift-builds 1.3.2-1744785360, openshift-builds 1.3.2-1744786270, openshift-builds 1.3.2-1744787137, openshift-builds 1.3.2-1744792586, openshift-builds 1.3.2-1744793386
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:4171
  • Red Hat CNV 4.14 for RHEL 9 container-native-virtualization/virt-api-rhel9 v4.14.14-21, container-native-virtualization/pr-helper-rhel9 v4.14.14-21, container-native-virtualization/virtio-win-rhel9 v4.14.14-9, container-native-virtualization/kubemacpool-rhel9 v4.14.14-11, container-native-virtualization/mtq-operator-rhel9 v4.14.14-11, container-native-virtualization/virt-handler-rhel9 v4.14.14-21, +38 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHEA-2025:15037
show 20 more
  • Red Hat CNV 4.16 for RHEL 9 container-native-virtualization/virt-api-rhel9 v4.16.14-2, container-native-virtualization/pr-helper-rhel9 v4.16.14-2, container-native-virtualization/aaq-server-rhel9 v4.16.14-3, container-native-virtualization/virtio-win-rhel9 v4.16.14-2, container-native-virtualization/wasp-agent-rhel9 v4.16.14-2, container-native-virtualization/kubemacpool-rhel9 v4.16.14-3, +48 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHEA-2025:10586
  • Red Hat CNV 4.17 for RHEL 9 container-native-virtualization/virt-api-rhel9 v4.17.22-3, container-native-virtualization/pr-helper-rhel9 v4.17.22-3, container-native-virtualization/aaq-server-rhel9 v4.17.22-1, container-native-virtualization/virtio-win-rhel9 v4.17.22-1, container-native-virtualization/wasp-agent-rhel9 v4.17.22-1, container-native-virtualization/kubemacpool-rhel9 v4.17.22-1, +46 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHEA-2025:12284
  • Red Hat CNV 4.18 for RHEL 9 container-native-virtualization/virt-api-rhel9 v4.18.12-4, container-native-virtualization/pr-helper-rhel9 v4.18.12-4, container-native-virtualization/aaq-server-rhel9 v4.18.12-3, container-native-virtualization/virtio-win-rhel9 v4.18.12-3, container-native-virtualization/wasp-agent-rhel9 v4.18.12-4, container-native-virtualization/kubemacpool-rhel9 v4.18.12-3, +47 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHEA-2025:13172
  • Red Hat gatekeeper 3.15 for RHEL 9 gatekeeper/gatekeeper-rhel9 v3.15.1-30, gatekeeper/gatekeeper-rhel9-operator v3.15.4-1, gatekeeper/gatekeeper-operator-bundle v3.15.4-1
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3053
  • Red Hat gatekeeper 3.17 for RHEL 9 gatekeeper/gatekeeper-rhel9 v3.17.2-5, gatekeeper/gatekeeper-rhel9-operator v3.17.2-4, gatekeeper/gatekeeper-operator-bundle v3.17.2-2
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3051
  • Red Hat gatekeeper 3.18 for RHEL 9 gatekeeper/gatekeeper-rhel9 v3.18.2-1, gatekeeper/gatekeeper-rhel9-operator v3.18.0-1, gatekeeper/gatekeeper-operator-bundle v3.18.0-1
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3052
  • Red Hat multicluster-globalhub 1.2 for RHEL 9 multicluster-globalhub/multicluster-globalhub-agent-rhel9 v1.2.2-3, multicluster-globalhub/multicluster-globalhub-grafana-rhel9 v1.2.2-2, multicluster-globalhub/multicluster-globalhub-manager-rhel9 v1.2.2-3, multicluster-globalhub/multicluster-globalhub-rhel9-operator v1.2.2-3, multicluster-globalhub/multicluster-globalhub-operator-bundle v1.2.2-3, multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9 v1.2.2-2
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3498
  • Red Hat multicluster-globalhub 1.3 for RHEL 9 multicluster-globalhub/multicluster-globalhub-agent-rhel9 v1.3.3-5, multicluster-globalhub/multicluster-globalhub-grafana-rhel9 v1.3.3-4, multicluster-globalhub/multicluster-globalhub-manager-rhel9 v1.3.3-5, multicluster-globalhub/multicluster-globalhub-rhel9-operator v1.3.3-5, multicluster-globalhub/multicluster-globalhub-operator-bundle v1.3.3-6, multicluster-globalhub/multicluster-globalhub-postgres-exporter-rhel9 v1.3.3-4, +1 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3863
  • Red Hat OpenShift API for Data Protection 1.4 oadp/oadp-velero-rhel9 1.4.5-20, oadp/oadp-mustgather-rhel9 1.4.5-34
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:11396
  • Red Hat OpenShift Windows Machine Config Operator 10.16 openshift4-wincw v10.16.2-1749241361
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:9136
  • Red Hat OpenShift Windows Machine Config Operator 10.17 openshift4-wincw 9.6-1748967421
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:8704
  • Red Hat OpenShift Windows Machine Config Operator 10.18 openshift4-wincw v10.18.1-1747249026
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:8224
  • Red Hat Quay v3 quay/quay-rhel8 v3.12.9-8, quay/clair-rhel8 v3.12.9-3, quay/clair-rhel8 v3.13.5-4, quay/clair-rhel8 v3.14.1-1, quay/clair-rhel8 v3.9.11-5, quay/quay-rhel8 v3.11.10-9, +54 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHBA-2025:7674
  • Red Hat Advanced Cluster Management for Kubernetes 2.10 for RHEL 9 rhacm2/thanos-rhel9 v2.10.8-6, rhacm2/console-rhel9 v2.10.8-11, rhacm2/memcached-rhel9 v2.10.8-5, rhacm2/prometheus-rhel9 v2.10.8-8, rhacm2/acm-grafana-rhel9 v2.10.8-6, rhacm2/node-exporter-rhel9 v2.10.8-7, +38 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:4502
  • Red Hat Advanced Cluster Management for Kubernetes 2.11 for RHEL 9 rhacm2/metrics-collector-rhel9 v2.11.7-13, rhacm2/observatorium-rhel9-operator v2.11.7-13, rhacm2/grafana-dashboard-loader-rhel9 v2.11.7-13, rhacm2/endpoint-monitoring-rhel9-operator v2.11.7-13, rhacm2/multicluster-observability-rhel9-operator v2.11.7-13
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:4666
  • Red Hat Advanced Cluster Management for Kubernetes 2.12 for RHEL 9 rhacm2/thanos-rhel9 v2.12.3-6, rhacm2/volsync-rhel9 v0.11.2-9, rhacm2/acm-cli-rhel9 v2.12.3-13, rhacm2/console-rhel9 v2.12.3-16, rhacm2/memcached-rhel9 v2.12.3-4, rhacm2/prometheus-rhel9 v2.12.3-6, +42 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:4002
  • Red Hat Advanced Cluster Management for Kubernetes 2.13 for RHEL 8 flightctl 0.5.1-2.el8fc, flightctl-selinux 0.5.1-2.el8fc Red Hat Advanced Cluster Management for Kubernetes 2.13 for RHEL 9 flightctl 0.5.1-2.el9fc, flightctl-agent 0.5.1-2.el9fc, rhacm2/thanos-rhel9 v2.13.2-1, rhacm2/acm-cli-rhel9 v2.13.2-4, rhacm2/console-rhel9 v2.13.2-5, rhacm2/volsync-rhel9 v0.12.1-2, +50 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3685
  • Red Hat AI Inference Server 3.2 rhaiis 1772160593, rhaiis 1772160625, rhaiis 3.2.2-1764871796, rhaiis 3.2.2-1765379049, rhaiis 3.2.2-1765379088, rhaiis 3.2.5-1765361180, +4 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:23080
  • Red Hat Enterprise Linux AppStream (v. 8) crit 3.18-5.module+el8.10.0+22931+799fd806, criu 3.18-5.module+el8.10.0+22931+799fd806, crun 1.14.3-2.module+el8.10.0+22931+799fd806, runc 1.1.12-6.module+el8.10.0+22931+799fd806, udica 0.2.6-21.module+el8.10.0+22931+799fd806, conmon 2.1.10-1.module+el8.10.0+22931+799fd806, +27 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3210
  • Red Hat Enterprise Linux AppStream (v. 9) podman 5.4.0-9.el9_6, podman 5.2.2-15.el9_5, podman-tests 5.4.0-9.el9_6, podman-docker 5.4.0-9.el9_6, podman-remote 5.4.0-9.el9_6, podman-tests 5.2.2-15.el9_5, +7 more
    fixed: vendor fix “This flaw can be mitigated when using the client only connecting to trusted servers.” RHSA-2025:3833

30 more fixed, 34 more not affected in the full advisory

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
go golang.org/x/crypto
<0.35.0
0.35.0

Affected products

  • golang.org/x/crypto golang.org/x/crypto/ssh

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.