RHSA-2025:3930 - Security Advisory

Topic

Updated images are now available for Red Hat Advanced Cluster Security for
Kubernetes (RHACS). The updated image includes security fixes.

Red Hat Product Security has rated this update as having 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

This release of RHACS 4.7.2 includes the following security fixes:

• CVE-2024-21536: Denial of Service vulnerability in the `http-proxy-middleware` package.
• CVE-2025-30204: Excessive memory allocation during header parsing in `golang-jwt` package.
• CVE-2024-57083: Denial of Service vulnerability in the `redoc` package.

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

Solution

If you are using an earlier version of RHACS 4.7, you are advised to upgrade to this patch release 4.7.2.

Affected Products

• Red Hat Advanced Cluster Security for Kubernetes 4 x86_64
• Red Hat Advanced Cluster Security for Kubernetes for IBM Z and LinuxONE 4 s390x
• Red Hat Advanced Cluster Security for Kubernetes for IBM Power, little endian 4 ppc64le
• Red Hat Advanced Cluster Security for Kubernetes for ARM 4 aarch64

Fixes

• BZ - 2319884 - CVE-2024-21536 http-proxy-middleware: Denial of Service
• BZ - 2354195 - CVE-2025-30204 golang-jwt/jwt: jwt-go allows excessive memory allocation during header parsing
• BZ - 2355865 - CVE-2024-57083 redoc: Prototype Pollution in redoc

CVEs

• CVE-2024-21536
• CVE-2024-55549
• CVE-2024-57083
• CVE-2025-24855
• CVE-2025-30204

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.redhat.com/en/documentation/red_hat_advanced_cluster_security_for_kubernetes/4.7/html-single/release_notes/index