Red Hat Security AdvisoryRHSA-2026:6564
OpenShift Container Platform 4.20.18 bug fix and security update
Released 2026-04-09 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat OpenShift Container Platform 4.20 registry.redhat.io/openshift4/aws-karpenter-provider-aws-rhel9, registry.redhat.io/openshift4/aws-kms-encryption-provider-rhel9, registry.redhat.io/openshift4/azure-kms-encryption-provider-rhel9 +47
Fixes 6 records
Priority HIGH 67
Preact, a lightweight web development framework, JSON serialization protection to prevent Virtual DOM elements from being constructed from arbitrary JSON.
CVSS 4.0HIGH 7.2· Network · No auth · No interaction · EPSS 0.00273 · Published 2026-01-08 · Partial fix · 10.26.10, 10.27.3 +1 CWE-843
Priority MEDIUM 49
gRPC-Go is the Go language implementation of gRPC.
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.01619 · Published 2026-03-20 · Partial fix · 1.79.3 CWE-285
Priority MEDIUM 43
The net/url package does not set a limit on the number of query parameters in a query.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.02292 · Published 2026-01-28 · Partial fix · 1.24.12, 1.25.6 CWE-770
Priority MEDIUM 40
url.Parse insufficiently validated the host/authority component and accepted some invalid URLs.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00827 · Published 2026-03-06 · Partial fix · 1.25.8, 1.26.1 CWE-425
Priority LOW 30
archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened.
CVSS 3.1MEDIUM 6.5· Network · No auth · User interaction · EPSS 0.00738 · Published 2026-01-28 · Partial fix · 1.24.12, 1.25.6 CWE-770
Priority LOW 20
tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files.
CVSS 3.1MEDIUM 4.3· Network · No auth · User interaction · EPSS 0.00443 · Published 2025-10-29 · Partial fix · 1.24.8, 1.25.2