CVE Vulnerabilities

CVE-2026-39836

NULL Pointer Dereference

Published: May 07, 2026 | Modified: Jun 17, 2026
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ubuntu
MEDIUM
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The Dial and LookupPort functions panic on Windows when provided with an input containing a NUL (0).

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
GoGolang*1.25.10 (excluding)
GoGolang1.26.0 (including)1.26.3 (excluding)
Red Hat Enterprise Linux 10RedHatgolang-0:1.26.3-4.el10_2*
Red Hat Enterprise Linux 8RedHatgo-toolset:rhel8-8100020260518131104.a3795dee*
Red Hat Enterprise Linux 9RedHatgolang-0:1.26.3-1.el9_8*
Multicluster engine for Kubernetes 2.11RedHatmulticluster-engine/backplane-rhel9-operator:1786911952*
Multicluster engine for Kubernetes 2.11RedHatmulticluster-engine/hypershift-addon-rhel9-operator:1786912006*
Red Hat Hardened ImagesRedHatgolang1-25-main-1.25.11-2.hum1*
Red Hat Hardened ImagesRedHatgolang1-26-main-1.26.4-2.hum1*
Red Hat OpenShift GitOps 1.19RedHatopenshift-gitops-1/argocd-rhel8:1785149260*
Red Hat Web Terminal 1.11RedHatweb-terminal/web-terminal-exec-rhel9:1786655676*
Red Hat Web Terminal 1.12RedHatweb-terminal/web-terminal-exec-rhel9:1786654613*
Red Hat Web Terminal 1.13RedHatweb-terminal/web-terminal-exec-rhel9:1786654596*
Red Hat Web Terminal 1.14RedHatweb-terminal/web-terminal-exec-rhel9:1786655467*
Red Hat Web Terminal 1.15RedHatweb-terminal/web-terminal-exec-rhel9:1786654867*
Red Hat Web Terminal 1.16RedHatweb-terminal/web-terminal-exec-rhel9:1786654871*
Golang-1.10Ubuntuesm-infra/xenial*
Golang-1.13Ubuntuesm-apps/xenial*
Golang-1.18Ubuntuesm-apps/xenial*
Golang-1.6Ubuntuesm-infra/xenial*

Potential Mitigations

References