RHSA-2025:1875 - Security Advisory

Topic

Red Hat OpenShift Service Mesh Containers for 2.5.9

This update has a security impact of Moderate. 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 is Red Hat's distribution of the Istio service mesh project, tailored for installation into an OpenShift Container Platform installation.

Security Fix(es):

• kiali-ossmc-container: Mutation XSS in DOMPurify Due to Improper Template Literal Handling (CVE-2025-26791)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenShift Service Mesh 2 for RHEL 8 x86_64
• Red Hat OpenShift Service Mesh for Power 2 for RHEL 8 ppc64le
• Red Hat OpenShift Service Mesh for IBM Z 2 for RHEL 8 s390x
• Red Hat OpenShift Service Mesh for ARM 64 2 aarch64

Fixes

• BZ - 2345695 - CVE-2025-26791 dompurify: Mutation XSS in DOMPurify Due to Improper Template Literal Handling
• OSSM-8726 - Kiali not filter by namespace (OCP 4.16)

CVEs

• CVE-2019-12900
• CVE-2020-11023
• CVE-2022-49043
• CVE-2024-35195
• CVE-2025-26791

References

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