- Issued:
- 2026-05-12
- Updated:
- 2026-05-12
RHSA-2026:16477 - Security Advisory
Synopsis
Red Hat OpenShift Service Mesh 3.0.11
Type/Severity
Security Advisory: Important
Topic
Red Hat OpenShift Service Mesh 3.0.11
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 3.0.11, 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:
- OSSM 3 Operator icon missing from OperatorHub catalog in OCP console (OSSM-13028)
Security Fix(es):
- istio-rhel9-operator: possible memory corruption after bound check elimination (CVE-2026-27143)
- istio-proxyv2-rhel9: possible memory corruption after bound check elimination (CVE-2026-27143)
- istio-pilot-rhel9: possible memory corruption after bound check elimination (CVE-2026-27143)
- istio-cni-rhel9: possible memory corruption after bound check elimination (CVE-2026-27143)
- istio-rhel9-operator: no-op interface conversion bypasses overlap checking (CVE-2026-27144)
- istio-proxyv2-rhel9: no-op interface conversion bypasses overlap checking (CVE-2026-27144)
- istio-pilot-rhel9: no-op interface conversion bypasses overlap checking (CVE-2026-27144)
- istio-cni-rhel9: no-op interface conversion bypasses overlap checking (CVE-2026-27144)
- istio-rhel9-operator: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
- istio-pilot-rhel9: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
- istio-cni-rhel9: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
Solution
See Red Hat OpenShift Service Mesh 3.0.11 documentation at https://docs.redhat.com/en/documentation/red_hat_openshift_service_mesh/3.0
Affected Products
- Red Hat OpenShift Service Mesh
Fixes
- OSSM-13028 - OSSM 3 Operator icon missing from OperatorHub catalog in OCP console
amd64
| registry.redhat.io/openshift-service-mesh/istio-sail-operator-bundle@sha256:4ae9bb8293238cf21fb9f89b4fb1c21f64f7a8d2ab31bb71fee0c214ffe73c53 |
| registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:a3148c276ab9ae3da2ecf3d837806e6324e5db2ac7e3c6e64dbbe107c688c695 |
| registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:34920bc431b451274686fd0bce158c0958fc5c350991d3ce21767d64b1ba70e9 |
| registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:877140b72711f585aaaa71c60ca4b8a885074d2be5d589668141d14c207b1f39 |
| registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:100fd2b7e8adddef6271d41cd81df23a3e1bf7762638cee1ec465bccf7ab9526 |
| registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:a3e492b465b7081140176024c86a8bae03902a963698978ef0de5e5adfe328ad |
| registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:0701374518a82305e8e3102883a69fef7eb99238fe52567ae5cb3df7e2f72ee2 |
arm64
| registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:d6918b3a3b427205d5b6899240f24998372600775be066ae1c52d50012d2adfe |
| registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:da3ac9e26e23c02f9e4f18b9fcabc894beef1f61c8df564163696b9db8bdc58d |
| registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:42324c789d08d578cdb7b5791a6da546d49f545e305ea00c0adb38093b5f9f82 |
| registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:924512d5e38c14d234e9a1b11204b8877b48202faca6b07457628dfcb3f09598 |
| registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:5b1757be2b97248e70abceb263787bffe2c534cf4dcf05211fedc2834680d602 |
| registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:31b7b625a2167783606bbd6d096c51eb34f492238d8d955ace6006a6eb74bcfd |
ppc64le
| registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:d2db61a5461a9eaba5e798f007716971b17ab457dbab797b1fdac0e9a09098ff |
| registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:44826036f117f1811b24b793f48a4256b9454bc0363873881762145d2b0b312f |
| registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:6b91cde557cb6fa93e9503291d75f8fb05d751eb93f32d8c638fb1322c9f9efd |
| registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:6b0dfa1211421f2f961de8c9fdee0d00899725f8dc0fdb4eb80bb0854be90c86 |
| registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:c3534c03f90d600f899e49bc0de768abf40887796942bebc37ce8f12d1e55468 |
| registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:6f4a1fc3d4f37c9265300a32ca00fd20bc24e80cbb17d16e5c0bcc387c3afd87 |
s390x
| registry.redhat.io/openshift-service-mesh/istio-cni-rhel9@sha256:5e0473790eba6ccac07e5c83fb4cf2d1f322dea9dc522b0382f6d41219e48a41 |
| registry.redhat.io/openshift-service-mesh/istio-must-gather-rhel9@sha256:2168e0ccdb4970ab8117fa1730089c712e24b8cc340c46343a6e36ad71d751f8 |
| registry.redhat.io/openshift-service-mesh/istio-rhel9-operator@sha256:7485779ebbd7b4c560844d0cc34e8ab3845a092eb45d50de6166f50e5f5ffb9b |
| registry.redhat.io/openshift-service-mesh/istio-pilot-rhel9@sha256:800f35c997f822a9468c6ed993e8573b69bcd133481ea51af1542b57c1e79e5d |
| registry.redhat.io/openshift-service-mesh/istio-proxyv2-rhel9@sha256:a07af728477ee9f405d847f1037c520a384eb5a0f53839ec3651165ca6daeba8 |
| registry.redhat.io/openshift-service-mesh-dev-preview-beta/istio-ztunnel-rhel9@sha256:dcc967a82a818a4c9e41ae4c403c94cf8bfb90b67ca2e071df9f23538015440f |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
