Description
Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 11 | golang-1.15 | 1.15.9-5 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | golang-1.8 | No fix yet | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | golang-1.16 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | golang-1.16 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | buildah +1 | 1:1.27.0-2.el9 | RHSA-2022:8008 |
| RHEL 8 | delve | 1.6.0-1.module+el8.5.0+10379+d6b83bd0 | RHSA-2021:4156 |
| RHEL 8 | golang +7 | 1.16.7-1.module+el8.5.0+12246+1aac4e3f | RHSA-2021:4156 |
| RHEL 8 | grafana | 7.5.9-4.el8 | RHSA-2021:4226 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Serverless 1 | openshift-serverless-clients | 0.23.2-1.el8 | RHSA-2021:3555 |
| Red Hat Openshift Data Foundation 4 | mcg | 5.9.0-28.61dcf87.5.9.el8 | RHSA-2021:5085 |
| Red Hat OpenStack 16 | etcd | 3.3.23-3.1.el8ost.1 | RHSA-2021:5072, RHSA-2021:3487 |
| Red Hat OpenShift 4 | atomic-openshift-service-idler | 4.7.0-202107291238.p0.git.39cfc66.assembly.stream.el8 | RHBA-2021:2979 |
| Red Hat OpenShift 4 | butane | 0.12.1-2.rhaos4.8.el8 | RHSA-2021:3820 |
| Red Hat OpenShift 4 | containernetworking-plugins | 0.8.6-3.rhaos4.6.el7 | RHSA-2021:3248 |
| Red Hat OpenShift 4 | cri-o | 1.20.4-7.rhaos4.7.git6287500.el7 | RHSA-2021:2984, RHBA-2021:2979 |
| Red Hat OpenShift 4 | cri-tools | 1.21.0-3.el8 | RHSA-2021:3248 |
| Red Hat OpenShift 4 | ignition +1 | 2.6.0-8.rhaos4.6.git947598e.el8 | RHSA-2021:3009, RHSA-2021:2984, RHBA-2021:2979 |
| Red Hat OpenShift 4 | jenkins | 2.289.3.1633554819-1.el8 | RHSA-2021:3820 |
| Red Hat OpenShift 4 | openshift +1 | 4.7.0-202107292242.p0.git.558d959.assembly.stream.el7 | RHSA-2021:2984, RHBA-2021:2979 |
| Red Hat OpenShift 4 | openshift-clients +1 | 4.7.0-202107292242.p0.git.8b4b094.assembly.stream.el7 | RHSA-2021:2984, RHBA-2021:2979 |
| Red Hat OpenShift 4 | prometheus-promu +1 | 0.5.0-4.git642a960.el8 | RHSA-2021:3248 |
| Red Hat OpenShift 4 | redhat-release-coreos | 47.84-1.el8 | RHBA-2021:2979 |
| Red Hat Devtools 2021 | go-toolset-1.15-golang +6 | 1.15.14-2.el7_9 | RHSA-2021:3431 |
| Red Hat Container Native Virtualization 4 | kubevirt +2 | 4.8.5-278.el7 | RHSA-2022:1329 |
| Red Hat Container Native Virtualization 2 | kubevirt +2 | 2.6.10-230.el7 | RHSA-2022:1402 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | buildah +1 | 1:1.27.0-2.el9 | ALSA-2022:8008 |
| AlmaLinux 8 | delve | 1.6.0-1.module_el8.5.0+2604+960c7771 | ALSA-2021:4156 |
| AlmaLinux 8 | grafana | 7.5.9-4.el8 | ALSA-2021:4226 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | delve | 1.6.0-1.module+el8.5.0+694+f77f0bfd | RLSA-2021:4156 |
| Rocky Linux 8 | golang +1 | 1.16.7-1.module+el8.5.0+694+f77f0bfd | RLSA-2021:4156 |
| Rocky Linux 8 | grafana | 7.5.9-4.el8 | RLSA-2021:4226 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SLES 15 SP3 | go1.16 | 1.16.5-1.17.1 | SUSE-SU-2021:2186-1 |
| SLES 15 SP2 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SLES 15 SP2 | go1.16 | 1.16.5-1.17.1 | SUSE-SU-2021:2186-1 |
| SLES 15 SP1 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP1 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SLE HPC 15 SP1 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SUSE Manager Server 4.0 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SUSE Manager Retail Branch Server 4.0 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SUSE Manager Proxy 4.0 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
| SUSE Enterprise Storage 6 | go1.15 | 1.15.13-1.33.1 | SUSE-SU-2021:2214-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | go1.15 | 1.15.15-1.2 | openSUSE-SU-2024:10808-1 |
| openSUSE Tumbleweed | go1.16 | 1.16.8-1.1 | openSUSE-SU-2024:10809-1 |
| openSUSE Leap 15.3 | go1.15 | 1.15.13-1.33.1 | openSUSE-SU-2021:2214-1 |
| openSUSE Leap 15.3 | go1.16 | 1.16.5-1.17.1 | openSUSE-SU-2021:2186-1 |
| openSUSE Leap 15.2 | go1.15 | 1.15.13-lp152.20.1 | openSUSE-SU-2021:0950-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | go | 1.16.5-r0 | — |
| Alpine v3.23 | go | 1.16.5-r0 | — |
| Alpine v3.22 | go | 1.16.5-r0 | — |
| Alpine v3.21 | go | 1.16.5-r0 | — |
| Alpine v3.20 | go | 1.16.5-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | go | 1.16.5-r0 | — |
| Alpine v3.18 | go | 1.16.5-r0 | — |
| Alpine v3.17 | go | 1.16.5-r0 | — |
| Alpine v3.16 | go | 1.16.5-r0 | — |
| Alpine v3.15 | go | 1.16.5-r0 | — |
| Alpine v3.14 | go | 1.16.5-r0 | — |
| Alpine v3.13 | go | 1.15.13-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | golang +7 | 1.16.15-1.amzn2.0.1 | ALAS2-2022-1776 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | golang | No fix yet | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | buildah +1 | 1:1.27.0-2.0.1.el9 | ELSA-2022-8008 |
| Oracle Linux 8 | grafana | 7.5.9-4.el8 | ELSA-2021-4226 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | stdlib | < 1.15.13 · >= 1.16.0-0, < 1.16.5 | 1.15.13, 1.16.5 | GO-2021-0239 |
Advisories 33
- ALSA-2022:8008 Moderate: buildah security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2021:4226 Moderate: grafana security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2021:4156 Moderate: go-toolset:rhel8 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8008 Red Hat Security Advisory: buildah security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- WID-SEC-2024-0794 Dell ECS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 11, 2026
- RHSA-2021:4226 Red Hat Security Advisory: grafana security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 8, 2026
- RHSA-2022:1402 Red Hat Security Advisory: OpenShift Virtualization 2.6.10 RPMs security and bug fix update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2022:1329 Red Hat Security Advisory: OpenShift Virtualization 4.8.5 RPMs security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:5085 Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.9.0 enhancement, security, and bug fix update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:5072 Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (etcd) security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:4156 Red Hat Security Advisory: go-toolset:rhel8 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:3820 Red Hat Security Advisory: OpenShift Container Platform 4.8.15 packages and security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:3555 Red Hat Security Advisory: Release of OpenShift Serverless Client kn 1.17.0 Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:3487 Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (etcd) security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:3431 Red Hat Security Advisory: go-toolset-1.15-golang security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:3248 Red Hat Security Advisory: OpenShift Container Platform 4.8.9 packages and security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:3009 Red Hat Security Advisory: OpenShift Container Platform 4.6.42 security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2021:2984 Red Hat Security Advisory: OpenShift Container Platform 4.8.4 bug fix and security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHBA-2021:2979 Red Hat Bug Fix Advisory: OpenShift Container Platform 4.7.23 packages update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RLSA-2021:4226 Moderate: grafana security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2021:4156 Moderate: go-toolset:rhel8 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2021:2186-1 Security update for go1.16 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10809-1 go1.16-1.16.8-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2214-1 Security update for go1.15 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10808-1 go1.15-1.15.15-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:2214-1 Security update for go1.15 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:2186-1 Security update for go1.16 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0950-1 Security update for go1.15 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2023-2229 Splunk Splunk Enterprise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 18, 2025
- ALAS2-2022-1776 Important: golang security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Aug 7, 2025
- WID-SEC-2022-0941 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 18, 2024
- ELSA-2022-8008 Moderate: buildah security and bug fix update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2021-4226 Moderate: grafana security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 16, 2021