Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Lightspeed
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Lightspeed
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2026:33150 - Security Advisory
Issued:
2026-06-29
Updated:
2026-06-29

RHSA-2026:33150 - Security Advisory

  • Overview
  • Updated Images

Synopsis

Red Hat OpenShift Service Mesh 3.3.5

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Service Mesh 3.3.5

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 3.3.5, 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.

Security Fix(es):

  • CVE-2026-39820 openshift-golang-builder-container: Go net/mail: Denial of Service via crafted email inputs (OSSM-14270)
  • CVE-2026-42499 openshift-golang-builder-container: net/mail: Denial of Service via pathological email address parsing (OSSM-14502)
  • CVE-2026-33814 openshift-golang-builder-container: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame (OSSM-14547)
  • CVE-2026-33811 openshift-golang-builder-container: Go net package: Denial of Service via long CNAME response in LookupCNAME (OSSM-14565)

Solution

See Red Hat OpenShift Service Mesh 3.3.5 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.3

Affected Products

  • Red Hat OpenShift Service Mesh

Fixes

(none)

CVEs

  • CVE-2026-33811
  • CVE-2026-33814
  • CVE-2026-39820
  • CVE-2026-42499

References

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

amd64

registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:e5045fa856fea16678dde8489381e393028a79dd23b2d479ada0396248eec546
registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:c4540d0958efbefb455276b66e2eefc857c0a081f62ae5d2fedaca4194b54af5
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:84ad0a9408aa3f3aafb2ee2cae236cba9099a348df038c70f4bc2612d752c21b
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:67d00b75ead6bae7ff671f10446f292a5db5437ff99e4d59635330de8ab7002c
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:92457a690fbc08e28e12fd27a9496eb96d7ebaeb2d020c37b85aa6b9e4c118b0
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:19b2d80d3968aa8dd004a5928b43ef741e62c1f5991923ac9d0e6a529264205c
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:6a851b3cd3c201a1e2a8ddea7c21fc1c7d5845fe73c0ca5b902a72a1585d2132

arm64

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b49f1a001e39eda43e5663f883497795115033e4f9244ddfe2eb0157c108f8e4
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:500bdbe8258d40029f4b01cb59db71a631cd334601ba9398ac66b68fe13e7202
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:16e423afb75103bd669214d1b1290a518ce5fb6c892dec4146720bbcf83baa73
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:d7af5398b0e60a6531627a2a58bde371e83448eed320a7965904a574d8e0b085
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:b526221d3897f33a9bf621c0f73d772d2982856b70bcbda107cf1a644b30562e
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:c15c43a0719287a27aa75e3391e4e1fb96c1aa69e2982b34a0a98f99d23b6fd9

ppc64le

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:80ec849e60eea36fac738606f21f7913b58c73adad65ea90f28c85322825d834
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:2782bb9a9ef969484a11457d74cf601c269b40ee04443c9971dce2f3991f8f84
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:ca2402ccdb16d77237bd8e60553dcac65f8345d70b5b20815039f954543713d7
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:ef1aecb6e0f4e3adb6e402dd6c9ad67fbc1a2788f1e5beb6ccae325428780018
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:9f5b9a1c78a9c66f4f1234b1dc5d5c607b08ca376a7fe5189ba30e3552797435
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:f26bf9d900f0682660af10575c78fbb6aa7cf7bb8287f8aef4461e5add63409c

s390x

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:33b95627674ae3c2c861b608ed1774eebf0fb935ac68252607a47f85d08b2e9e
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:45bcc823540a2b4a733d5e62d21add913355757eb9fe7e98c3c0abe367ff0fce
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:ed825173015eac1018f157365defbac336f4d791ca5133e992abd17c9f153c67
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:b8296fd78c18bd81fb337551e3535a89ddef292673bb96e3aa7ea7934ebc8f04
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:a6f021e3e71117be6d033874e5c84bca7e13beed284259bf2398e36759740e13
registry.redhat.io/openshift-service-mesh/istio-ztunnel-rhel9@sha256:402493b3158a8bb9e3fd173ebd101c404a68c7a07e5176a9b70fa3e7ee9c1187

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

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2026 Red Hat

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility