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Red Hat Product Errata RHSA-2026:9461 - Security Advisory
Issued:
2026-04-21
Updated:
2026-04-21

RHSA-2026:9461 - Security Advisory

  • Overview
  • Updated Images

Synopsis

Red Hat OpenShift Service Mesh 3.3.2

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Service Mesh 3.3.2

This update has a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat OpenShift Service Mesh 3.3.2, which is based on the open source Istio project, addresses a variety of problems in a microservice architecture by creating a centralized point of control in an application.

Fixes/Improvements:

Security Fix(es):

  • istio-rhel9-operator: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
  • istio-cni-rhel9: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
  • istio-pilot-rhel9: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
  • istio-proxyv2-rhel9: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)

Bug Fix(es):

  • Ztunnel default value in operator contains older istio version (OSSM-13103)
  • OSSM operator metrics reader ClusterRole conflicts with other operators (OSSM-13106)

Solution

See Red Hat OpenShift Service Mesh 3.3.2 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.3

Fixes

  • OSSM-13103 - Ztunnel default value in operator contains older istio version
  • OSSM-13106 - OSSM operator metrics reader ClusterRole conflicts with other operators
  • OSSM-13263 - Add deprication note to OSSM3 FBC

CVEs

  • CVE-2026-25679
  • CVE-2026-25679

References

  • https://access.redhat.com/security/updates/classification
  • https://access.redhat.com/security/updates/classification/

amd64

registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:7c721b3e96083fffbede7c3e313b9a2609dd620086d8c3a6c92faa06eb78306b
registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:96df77ab3e0cd987687782fbcd175d491f589189e01d68fef8cfed37ae240e48
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:2e460362e4f7ffa961cb5da2b80a94c88e99d36da97e6e14c944d306b4d707f8
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:31ca725cb3bae79e207987ced13f766439568ddddf856c88801405d61ba51b36
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:b563447995234c60a4047a1b4df572048456b5220b516f3dab1cac1acfb3625f
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:a56b0d2625c0c74330619e1ad9c3eb9ffb950e7e159f1f30d1d13662174442bb
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:58a3cb5bc211964eae0e1139ec77d8242d01d81565dc2fba3f164abc2a64a108

arm64

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:f420d1d2f9b79a62b228035108608f0d4f7366d2d1406bd0411be658af2ea909
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:5dd40f7513ab3dfa96f1fee418cfdc9fc4b49dfa845963494cf61b9d8997d35b
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:de3bf8bcab126df742192a3ed319aa595b3022c036391134ca4149ef711fa4f8
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:0c7b68a6a861cdc41e7bb775082158c9f6ee7bddee9b74eefb20893757d987ef
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:7111cdde23558876b6846e9a60cff6609b716d0f69b42625c6e4e94faad6554c
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:8705c16d6828a53bd799590ddceb685f3678c6779f121a5c916aa9ecf622baf7

ppc64le

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4aa8fcf79e1ce68c7d34926263ff9ae52c29877554a4c3de93d8ac02b0988af6
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:d3211fd66831bc105da8a0d004c2fc48e09d867f705e6de1ff061e935298ea7a
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:3ba40d26d74d69dd664c0375ae3c170e738bf1943e9e3c550b3c969cbe1ff523
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:cbe68a0b4b31a36221365d817f8a58372136c1f8821605435b33948e71241502
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:654fe336492b1ffc23570610b598c93fcd37dca9892ea9156e3c57576041f87a
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:14069f839fc0ee972d8711f859af831f8ad268208dad8741f0397749982ccb4c

s390x

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:502d8f43bf950f39495738a03048c46efbe5790c6eddec7fc0e1f7d3cf016922
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:03df0ef1d06c34565f90c87fb0cb05fc5fd0938df5cb696f43d8f86e065b0ac4
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:8ee83e270eb2a215aef80e6b72dac3d4417726e5f60f2f47d3fa1a0bffb12e4b
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:e7ae23e4c782b7634acbbb9593cf383840094d06b651cbfc9e93faf8f9ced1e2
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:f45f7a1ddd1359010cc6dae2c03ce5ca9674c17c313470acb13094bf41bc19e9
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:35692553d65a7d62c96969e109a2a987fb1ccbe863d1f74097a00816dce86e2f

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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