Red Hat Security Advisory

RHSA-2026:6553

OpenShift Container Platform 4.18.37 bug fix and security update

Released 2026-04-09 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.18 rhcos-aarch64-418.94.202603261158-0, rhcos-ppc64le-418.94.202603261158-0, rhcos-s390x-418.94.202603261158-0 +1

TI-2026-20746 CVE-2026-25646

HIGH 69

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files.

CVSS 4.0HIGH 8.3 Network No auth No interaction EPSS 0.0112 Published 2026-02-10 Partial fix · 1.6.55 CWE-122