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Fencer Vulns
high 7.5

CVE-2022-30635 json

Stack exhaustion when decoding certain messages in encoding/gob

published 2022-07-20 4 y ago modified 2026-09-08 2 mo ago also BIT-golang-2022-30635 , EUVD-2022-52466 , GO-2022-0526

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Uncontrolled recursion in Decoder.Decode in encoding/gob before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via a message which contains deeply nested structures.

Patch / fix

  • bitnami golang 1.17.12, 1.18.4
  • go stdlib 1.17.12, 1.18.4
  • Go standard library encoding/gob 1.17.12, 1.18.4
  • golang-1.19 Debian 12 1.19~rc2-1

debian advisories DEBIAN-CVE-2022-30635

  • golang-1.13 Ubuntu 20.04 LTS 1.13.8-1ubuntu1.2
  • golang-1.13 Ubuntu 22.04 LTS 1.13.8-1ubuntu2.22.04.2
  • golang-1.16 Ubuntu 20.04 LTS 1.16.2-0ubuntu1~20.04.1
  • golang-1.18 Ubuntu 18.04 LTS 1.18.1-1ubuntu1~18.04.4
  • golang-1.18 Ubuntu 20.04 LTS 1.18.1-1ubuntu1~20.04.2
  • golang-1.18 Ubuntu 22.04 LTS 1.18.1-1ubuntu1.1
  • golang-1.13 Ubuntu Pro 16.04 LTS 1.13.8-1ubuntu1~16.04.3+esm3
  • golang-1.13 Ubuntu Pro 18.04 LTS 1.13.8-1ubuntu1~18.04.4+esm1

ubuntu advisories UBUNTU-CVE-2022-30635

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

  • crit RHEL 8 3.15-3.module+el8.8.0+17821+de1b53f1
  • criu RHEL 8 3.15-3.module+el8.8.0+17821+de1b53f1
  • crun RHEL 8 1.6-1.module+el8.8.0+17821+de1b53f1
  • runc RHEL 8 1:1.1.4-1.module+el8.8.0+17821+de1b53f1
  • udica RHEL 8 0.2.6-3.module+el8.8.0+17821+de1b53f1
  • conmon RHEL 8 2:2.1.4-1.module+el8.8.0+17821+de1b53f1
  • podman RHEL 8 2:4.0.2-20.module+el8.8.0+18201+6ad7332c
  • skopeo RHEL 8 2:1.6.2-6.module+el8.8.0+17821+de1b53f1

red hat advisories RHSA-2023:2802RHSA-2023:2758RHSA-2022:5775RHSA-2023:2357RHSA-2023:1275RHSA-2023:0407

  • go1.18-openssl SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Real Time 15 SP3 +6 more 1.18.10.1-150000.1.9.1
  • go1.18 SLE Module for Development Tools 15 SP4, SLE Module for Development Tools 15 SP3, openSUSE Leap 15.4 +1 more 1.18.5-150000.1.25.1
  • go1.17 SLES for SAP 15 SP2, SLES 15 SP2-LTSS, SLES 15 SP2-BCL +10 more 1.17.13-150000.1.42.1

suse advisories SUSE-SU-2023:2312-1SUSE-SU-2022:2672-1SUSE-SU-2022:2671-1

  • go1.17 openSUSE Tumbleweed 1.17.12-1.1
  • go1.18 openSUSE Tumbleweed 1.18.4-1.1

opensuse advisories openSUSE-SU-2024:12189-1openSUSE-SU-2024:12190-1

  • crit AlmaLinux 8 3.15-3.module_el8.7.0+3407+95aa0ca9
  • criu AlmaLinux 8 3.15-3.module_el8.7.0+3407+95aa0ca9
  • crun AlmaLinux 8 1.8.1-2.module_el8.8.0+3568+e8578284
  • runc AlmaLinux 8 1:1.1.4-1.module_el8.7.0+3407+95aa0ca9
  • udica AlmaLinux 8 0.2.6-20.module_el8.8.0+3470+252b1910
  • conmon AlmaLinux 8 3:2.1.6-1.module_el8.8.0+3470+252b1910
  • podman AlmaLinux 8 3:4.4.1-8.module_el8.8.0+3568+e8578284
  • skopeo AlmaLinux 8 2:1.11.2-0.2.module_el8.8.0+3470+252b1910

almalinux advisories ALSA-2023:2758ALSA-2023:2802ALSA-2023:2357ALSA-2022:8057ALSA-2022:8250ALSA-2022:7519

  • criu Rocky Linux 8 3.15-3.module+el8.9.0+1445+07728297
  • libslirp Rocky Linux 8 4.4.0-1.module+el8.9.0+1445+07728297
  • cockpit-podman Rocky Linux 8 46-1.module+el8.9.0+1445+07728297
  • oci-seccomp-bpf-hook Rocky Linux 8 1.2.5-2.module+el8.9.0+1445+07728297
  • grafana-pcp Rocky Linux 9 3.2.0-3.el9
  • grafana Rocky Linux 9 7.5.15-3.el9
  • grafana-pcp Rocky Linux 8 3.2.0-2.el8
  • grafana Rocky Linux 8 7.5.15-3.el8

rocky linux advisories RLSA-2023:2758RLSA-2023:2802RLSA-2022:8250RLSA-2022:8057RLSA-2022:7648RLSA-2022:7519

  • go Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 1.18.4-r0

alpine advisories ALPINE-CVE-2022-30635

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

  • golang CBL-Mariner 2.0 1.18.5-1

azure linux advisories AZL-10537

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-2022-30635 updated cvss 7.5

golang: encoding/gob: stack exhaustion in Decoder.Decode

  • Red Hat Migration Toolkit for Virtualization migration-toolkit-virtualization/mtv-controller-rhel9 Red Hat OpenShift Developer Tools and Services odo Red Hat OpenShift Pipelines openshift-pipelines-client Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/work-rhel8, rhacm2/subctl-rhel9, rhacm2/volsync-rhel8, rhacm2/gatekeeper-rhel8-operator Red Hat Advanced Cluster Security 3 advanced-cluster-security/rhacs-main-rhel8 Red Hat Ansible Automation Platform 2 openshift-clients
    affected: no fix available
  • Red Hat Ceph Storage 3 golang, golang-bin, golang-src
    affected: no fix planned “Out of support scope”
  • Red Hat Ceph Storage 5 rhceph/rhceph-5-dashboard-rhel8
    affected: no fix available
  • Red Hat Enterprise Linux 8 osbuild-composer, osbuild-composer-core, osbuild-composer-worker, osbuild-composer-dnf-json, containernetworking-plugins Red Hat Enterprise Linux 9 go-toolset, osbuild-composer, osbuild-composer-core, osbuild-composer-worker, osbuild-composer-dnf-json, containernetworking-plugins
    affected: no fix available, no fix planned “Will not fix”
  • Red Hat Openshift Data Foundation 4 mcg, odf4/cephcsi-rhel9 Red Hat OpenShift GitOps openshift-gitops-kam, openshift-gitops-1/gitops-rhel8
    affected: no fix available
  • Red Hat OpenStack Platform 16.2 rhosp-rhel8-tech-preview/osp-director-operator
    affected: no fix planned “Will not fix”
  • Red Hat Quay 3 quay/clair-rhel8
    affected: no fix available
  • Red Hat Software Collections rh-git227-git-lfs
    affected: no fix planned “Will not fix”
show 17 more
  • Red Hat Storage 3 golang, heketi, golang-bin, golang-src, golang-misc, golang-tests, +3 more
    affected: no fix planned “Out of support scope”
  • Red Hat Web Terminal web-terminal-exec-container
    affected: no fix available
  • Red Hat CNV 4.12 for RHEL 7 kubevirt 4.12.0-1057.el7, kubevirt-virtctl 4.12.0-1057.el7, kubevirt-virtctl-redistributable 4.12.0-1057.el7 Red Hat CNV 4.12 for RHEL 8 kubevirt 4.12.0-1057.el8, kubevirt-virtctl 4.12.0-1057.el8, kubevirt-virtctl-redistributable 4.12.0-1057.el8, container-native-virtualization/virt-api v4.12.0-255
    fixed: vendor fix RHSA-2023:0407
  • Red Hat OpenShift API for Data Protection 1.1 oadp/oadp-velero-rhel8 1.1.1-20
    fixed: vendor fix RHSA-2022:8634
  • Red Hat OpenShift Custom Metrics Autoscaler 2 custom-metrics-autoscaler-tech-preview/custom-metrics-autoscaler-rhel8 2.8.2-143
    fixed: vendor fix RHSA-2023:1042
  • Red Hat OSSO 1.1 for RHEL 8 openshift-secondary-scheduler-operator/secondary-scheduler-operator-rhel8 v1.1-11
    fixed: vendor fix RHSA-2022:6152
  • Red Hat Ceph Storage 6.1 Tools rhceph/rhceph-6-dashboard-rhel9 6-75
    fixed: vendor fix RHSA-2023:3642
  • Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7) go-toolset-1.17-golang 1.17.12-1.el7_9, go-toolset-1.17-golang-bin 1.17.12-1.el7_9, go-toolset-1.17-golang-src 1.17.12-1.el7_9, go-toolset-1.17-golang-misc 1.17.12-1.el7_9, go-toolset-1.17-golang-race 1.17.12-1.el7_9, go-toolset-1.17-golang-tests 1.17.12-1.el7_9
    fixed: vendor fix RHSA-2022:5866
  • Red Hat Enterprise Linux AppStream (v. 8) grafana 7.5.15-3.el8, git-lfs 2.13.3-3.el8_6, grafana-pcp 3.2.0-2.el8, crun 1.6-1.module+el8.8.0+17821+de1b53f1, crit 3.15-3.module+el8.8.0+17821+de1b53f1, crit 3.15-3.module+el8.8.0+18060+3f21f2cc, +71 more
    fixed: vendor fix RHSA-2022:5775
  • Red Hat Enterprise Linux AppStream (v. 9) git-lfs 3.2.0-1.el9, grafana 7.5.15-3.el9, golang 1.17.12-1.el9_0, grafana-pcp 3.2.0-3.el9, golang-bin 1.17.12-1.el9_0, golang-src 1.17.12-1.el9_0, +3 more
    fixed: vendor fix RHSA-2022:5799
  • Red Hat Migration Toolkit 1.7 rhmtc/openshift-velero-plugin-rhel8 v1.7.6-5
    fixed: vendor fix RHSA-2022:9047
  • Red Hat OpenShift Serverless 1.0 openshift-serverless-clients 1.3.1-4.el8
    fixed: vendor fix RHSA-2022:6042
  • Red Hat OpenShift Serverless 1.24 openshift-serverless-1/client-kn-rhel8 1.3.1-4, openshift-serverless-1/serving-queue-rhel8 1.3.0-3, openshift-serverless-1/eventing-mtping-rhel8 1.3.2-3, openshift-serverless-1/kourier-control-rhel8 1.3.0-2, openshift-serverless-1/serving-webhook-rhel8 1.3.0-3, openshift-serverless-1/eventing-webhook-rhel8 1.3.2-3, +32 more
    fixed: vendor fix RHSA-2022:6040
  • Red Hat OpenStack Platform 16.1 etcd 3.3.23-12.el8ost Red Hat OpenStack Platform 16.2 etcd 3.3.23-12.el8ost
    fixed: vendor fix RHSA-2023:1275
  • Red Hat RHODF 4.13 for RHEL 9 odf4/mcg-rhel9-operator v4.13.0-41
    fixed: vendor fix RHSA-2023:3742
  • Red Hat RHOSSM 2.2 for RHEL 8 openshift-service-mesh/pilot-rhel8 2.2.2-7, openshift-service-mesh/proxyv2-rhel8 2.2.2-8, openshift-service-mesh/istio-cni-rhel8 2.2.2-7, openshift-service-mesh/ratelimit-rhel8 2.2.2-4, openshift-service-mesh/prometheus-rhel8 2.2.2-4, openshift-service-mesh/istio-rhel8-operator 2.2.2-8
    fixed: vendor fix RHSA-2022:6283
  • Red Hat CNV 4.12 for RHEL 8 container-native-virtualization/virtio-win v4.12.0-10, container-native-virtualization/kubemacpool v4.12.0-24, container-native-virtualization/bridge-marker v4.12.0-24, container-native-virtualization/virt-handler v4.12.0-255, container-native-virtualization/ovs-cni-marker v4.12.0-24, container-native-virtualization/ovs-cni-plugin v4.12.0-24, +36 more Red Hat OpenShift API for Data Protection 1.1 oadp/oadp-rhel8-operator 1.1.1-22, oadp/oadp-operator-bundle 1.1.1-41, oadp/oadp-mustgather-rhel8 1.1.1-29, oadp/oadp-velero-plugin-rhel8 1.1.1-16, oadp/oadp-velero-plugin-for-aws-rhel8 1.1.1-16, oadp/oadp-velero-plugin-for-csi-rhel8 1.1.1-23, +5 more Red Hat OpenShift Custom Metrics Autoscaler 2 custom-metrics-autoscaler-tech-preview/custom-metrics-autoscaler-adapter-rhel8 2.8.2-143, custom-metrics-autoscaler-tech-preview/custom-metrics-autoscaler-rhel8-operator 2.8.2-143, custom-metrics-autoscaler-tech-preview/custom-metrics-autoscaler-operator-bundle 2.8.2-143 Red Hat OSSO 1.1 for RHEL 8 openshift-secondary-scheduler-operator/secondary-scheduler-operator-bundle v1.1-11 Red Hat Ceph Storage 6.1 Tools rhceph/rhceph-6-rhel9 6-177, rhceph/keepalived-rhel9 2.2.4-3, rhceph/snmp-notifier-rhel9 1.2.1-36, rhceph/rhceph-haproxy-rhel9 2.4.17-4, rhceph/rhceph-promtail-rhel9 v2.4.0-5 Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7) go-toolset-1.17 1.17.12-1.el7_9, go-toolset-1.17-build 1.17.12-1.el7_9, go-toolset-1.17-runtime 1.17.12-1.el7_9, go-toolset-1.17-scldevel 1.17.12-1.el7_9
    +1 more products
    Red Hat Enterprise Linux AppStream (v. 9) go-toolset 1.17.12-1.el9_0
    not affected: vulnerable code not present

5 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
8 mo ago

Exploit prediction

1.92% chance of exploitation in the next 30 days, higher than 79% 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
NVD 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
OSV 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
bitnami golang
<1.17.12
>=1.18.0, <1.18.4
1.17.12
1.18.4
go stdlib
<1.17.12
>=1.18.0-0, <1.18.4
1.17.12
1.18.4

Affected products

  • Go standard library encoding/gob

Classification

Weakness

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.