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High7.5Red Hat Linux

High [CVE-2026-25679] Incorrect parsing of IPv6 host literals in net/url

This high-severity Red Hat Linux advisory covers CVE-2026-25679 affecting Red Hat Ansible Automation Platform 2.6 for RHEL 10, Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Ansible Automation Platform 2.5 for RHEL 8.

CVE-2026-25679 Published Mar 6, 2026
CVE-2026-25679
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Incorrect parsing of IPv6 host literals in net/url. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-1286. Affected package(s): openshift4/ose-csi-livenessprobe-rhel8:1776999947, openshift-service-mesh/istio-cni-rhel8:1777374598, openshift4/ose-csi-external-snapshotter-rhel8:1776999951, openshift4/ose-multus-route-override-cni-rhel8:1777001628, openshift4/ose-oauth-server-rhel9:1779253952, openshift4/ose-tests:1777002345.

Resolved in Red Hat advisory RHSA-2026:11749 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 10; Red Hat Enterprise Linux Server (v. 7 ELS); Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat OpenShift Container Platform 4.12; and 145 more.

Affected versions
  • openshift4/ose-csi-livenessprobe-rhel8:1776999947
  • openshift-service-mesh/istio-cni-rhel8:1777374598
  • openshift4/ose-csi-external-snapshotter-rhel8:1776999951
  • openshift4/ose-multus-route-override-cni-rhel8:1777001628
  • openshift4/ose-oauth-server-rhel9:1779253952
  • openshift4/ose-tests:1777002345
  • skopeo-2:1.11.3-6.rhaos4.13.el8
  • openshift4/ose-hypershift-rhel8:1777001784
  • openshift4/ose-cluster-api-rhel9:1774634587
  • openshift4/ose-azure-disk-csi-driver-rhel9-operator:1779250039
  • openshift4/ose-ibm-vpc-block-csi-driver-rhel9-operator:1779249782
  • openshift4/ose-openshift-apiserver-rhel9:1774636594

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:11749

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:11749 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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