Description
Istio is an open platform to connect, manage, and secure microservices. In affected versions ill-formed headers sent to Envoy in certain configurations can lead to unexpected memory access resulting in undefined behavior or crashing. Users are most likely at risk if they have an Istio ingress Gateway exposed to external traffic. This vulnerability has been resolved in versions 1.12.8, 1.13.5, and 1.14.1. Users are advised to upgrade. There are no known workarounds for this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| istio | istio | < 1.12.18, >= 1.13.0, < 1.13.5, >= 1.14.0, < 1.14.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Service Mesh 2 | servicemesh +6 | 2.1.3-1.el8 | RHSA-2022:5004 |
| Red Hat Service Mesh 2 | servicemesh-operator | 2.1.3-2.el8 | RHSA-2022:5004 |
| Red Hat Service Mesh 2 | servicemesh-prometheus | 2.23.0-7.el8 | RHSA-2022:5004 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | cri-o | 1.23.3-1.el8 | ELSA-2022-9588 |
| Oracle Linux 8 | cri-tools | 1.23.0-1.el8 | ELSA-2022-9588 |
| Oracle Linux 8 | etcd | 3.5.1-2.el8 | ELSA-2022-9588 |
| Oracle Linux 8 | istio +1 | 1.13.5-1.el8 | ELSA-2022-9773, ELSA-2022-9771, ELSA-2022-9588 |
| Oracle Linux 8 | kata | 1.12.1-5.el8 | ELSA-2022-9588 |
| Oracle Linux 8 | kubeadm +2 | 1.23.7-1.el8 | ELSA-2022-9588 |
| Oracle Linux 8 | olcne-metallb-chart +1 | 1.5.4-3.el8 | ELSA-2022-9771, ELSA-2022-9588 |
| Oracle Linux 8 | olcnectl +10 | 1.4.6-2.el8 | ELSA-2022-9773, ELSA-2022-9771, ELSA-2022-9588 |
| Oracle Linux 7 | cri-o | 1.23.3-1.el7 | ELSA-2022-9589 |
| Oracle Linux 7 | cri-tools | 1.23.0-1.el7 | ELSA-2022-9589 |
| Oracle Linux 7 | etcd | 3.5.1-2.el7 | ELSA-2022-9589 |
| Oracle Linux 7 | istio +1 | 1.13.5-1.el7 | ELSA-2022-9774, ELSA-2022-9772, ELSA-2022-9589 |
| Oracle Linux 7 | kata | 1.12.1-5.el7 | ELSA-2022-9589 |
| Oracle Linux 7 | kubeadm +2 | 1.23.7-1.el7 | ELSA-2022-9589 |
| Oracle Linux 7 | olcne-metallb-chart +1 | 1.5.4-3.el7 | ELSA-2022-9772, ELSA-2022-9589 |
| Oracle Linux 7 | olcnectl +10 | 1.4.6-2.el7 | ELSA-2022-9774, ELSA-2022-9772, ELSA-2022-9589 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | istio.io/istio | < 1.12.18 | 1.12.18 | GHSA-xwx5-5c9g-x68x |
| Go | istio.io/istio | >= 1.13.0, < 1.13.5 | 1.13.5 | GHSA-xwx5-5c9g-x68x |
| Go | istio.io/istio | >= 1.14.0, < 1.14.1 | 1.14.1 | GHSA-xwx5-5c9g-x68x |
Advisories 10
- WID-SEC-2022-0288 Red Hat OpenShift: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026
- RHSA-2022:5004 Red Hat Security Advisory: Red Hat OpenShift Service Mesh 2.1.3 security update Red Hat Security Advisories (RHSA) · Oct 16, 2026
- ELSA-2022-9772 Important: istio security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 8, 2022
- ELSA-2022-9773 Important: istio security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 8, 2022
- ELSA-2022-9771 Important: istio security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Sep 8, 2022
- ELSA-2022-9774 Important: istio security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 8, 2022
- ELSA-2022-9589 Important: olcne security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 12, 2022
- ELSA-2022-9588 Important: olcne security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 12, 2022
- ELSA-2022-9587 Important: olcne security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 11, 2022
- ELSA-2022-9586 Important: olcne security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 11, 2022