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Red Hat Product Errata RHSA-2026:33120 - Security Advisory
Issued:
2026-06-29
Updated:
2026-06-29

RHSA-2026:33120 - Security Advisory

  • Overview
  • Updated Images

Synopsis

Red Hat OpenShift Service Mesh 3.0.13

Type/Severity

Security Advisory: Important

Topic

Red Hat OpenShift Service Mesh 3.0.13

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 3.0.13, 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-14269)
  • CVE-2026-42499 openshift-golang-builder-container: net/mail: Denial of Service via pathological email address parsing (OSSM-14500)
  • CVE-2026-33814 openshift-golang-builder-container: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame (OSSM-14548)
  • CVE-2026-33811 openshift-golang-builder-container: Go net package: Denial of Service via long CNAME response in LookupCNAME (OSSM-14564)

Solution

See Red Hat OpenShift Service Mesh 3.0.13 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0

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@sha256:19ead4f64970ea27823756dd4e0e55215c8787c4d5d923cde8e4c8345dc013c5
registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:bb734ae567ad77fd92f44c3d226055055a8c990b8123db23386149f418e68f04
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:0dbe0cdb02314a8a78dca02557441f9b99ab3bcd93157c17dbbb81f5cbc8eb81
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6d607b4aac9562b1401b33c9dc4d496ec13c75d765bf426e11bcf4fa5769a056
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:f473fa7b227648c66af6f54c728d8b42af3ceb1dcfca21c295f2e2af36dd31b7
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:919e44a19dafe3670f6431be3aa01bf7bfebfdeacac5c3882cd9c8e2e4905516
registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:5fdcc9c7b6ff9b4b099713c4d549128c12b335fb0c28154f631ba3e9f99c8f52

arm64

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:b994454b076fda08a36d4d949545d6d80229c9345a00f59d04ccbab41ef54066
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:e71fa71c7203561946e9f0038eaad69957c9717b34abc60fcd4044e1f64417b3
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:e1644b7694bf252a2e220773f811e5ae7f83c2c0c1885ff7c3a2f471cab33ed1
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:a1c134048c73b0ba902974f0515938902de93b0c3b32f0cc91fb8a6f45706629
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5d92ddc988d165e8e2b66e017a8cbd1ac1ee7fc91caaacec62bfcedce1c3f2b3
registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:ec5f07a3b10e44e9300eb7d62cfc0d1d31833ab72c12f5815ff0542b81624b7c

ppc64le

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:4d80beaa628f568236255e1970ffcfff668ee23faf97f532e881b0025f98111d
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:a6f4f1a5fa8fa84fd7850e17dfbe1837ea35fe636385f3dfcd63a3ecb975b410
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:38ca5e774bac8287a27dc4af5b4f015fa1a3e2bcc1618c97e642a5ff4ab66982
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:30e125ba97b545946ce958d62acfa95a095baecae5dfa80a44617a44e22633e8
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:138e739ebd61c7b1b47f0056d7b9a889a6368529e7fca3cb755c7b40be65df2c
registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c77f3dcf9aef74e532505742c538ae46e3eb569cd72398736d476dba197aa1ed

s390x

registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:42493d19383ead956b26476cc20dfa6c328bbdb5a4f40ba5be32f8f87ede33d4
registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:ee26949de4dce15bc35847d8f361c507fb852d9f006eaabd07a344f3c56856f9
registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:70dc18e5444c2ebc7c0b77740d0083de9d4e139f45e59292ae1edd48a518d8af
registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:bdf16979b6650d9016b07c0dfab4b75e727234755a7c0d9beb1230c98d313dff
registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:e24864eb5b3285151c6a59f9f35a097467458ff21f0831be5178d3f74910b822
registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:c1e04b361c355bb1d5f44a57dc041158eef59eb83f831a4d6413b00298af79d2

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

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