RHSA-2026:49765: Red Hat OpenShift Service Mesh 3.3.6

Published Aug 3, 2026
·
Updated

Red Hat OpenShift Service Mesh 3.3.6

Affected Software

1 affected component
Red Hat Red Hat OpenShift Service Mesh

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Red Hat OpenShift Service Mesh to a version that resolves this vulnerability.

    Fixed in 3.3.6
  2. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14633
  3. Upgrade

    Upgrade openshift-service-mesh/istio-pilot-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14633
  4. Upgrade

    Upgrade openshift-service-mesh/istio-cni-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14633
  5. Upgrade

    Upgrade openshift-service-mesh/istio-rhel9-operator to a version that resolves this vulnerability.

    Patch OSSM-14633
  6. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14882
  7. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14883
  8. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14884
  9. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14885
  10. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14886
  11. Upgrade

    Upgrade openshift-service-mesh/istio-proxyv2-rhel9 to a version that resolves this vulnerability.

    Patch OSSM-14887
  12. Configuration

    After upgrading to Red Hat OpenShift Service Mesh 3.3.6, ensure Istiod-default-validator is corrected so it does not point to a non-existent istiod Service after OSSM 3.3.4 upgrade when using non-default Istio name with default revision tag (OSSM-14646).

    Istiod-default-validator points-to revision/service reference = non-existent istiod Service (fixed)

Event History

Aug 3, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:05 PM
Data Sourced
via Red Hat·06:05 PM
Severity
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2026:49765?

The severity of RHSA-2026:49765 is rated as high, with a score of 7.

2

How do I fix RHSA-2026:49765?

To fix RHSA-2026:49765, update to Red Hat OpenShift Service Mesh version 3.3.7 or later.

3

What vulnerabilities are addressed in RHSA-2026:49765?

RHSA-2026:49765 addresses a buffer overflow vulnerability identified as CVE-2026-27145.

4

When was RHSA-2026:49765 published?

RHSA-2026:49765 was published on August 3, 2026.

5

What software does RHSA-2026:49765 affect?

RHSA-2026:49765 affects Red Hat OpenShift Service Mesh version 3.3.6.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203