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Red Hat Security Advisory: OpenShift Container Platform 4.19.28 bug fix and security update

0
High
Published: 04/16/2026 (04/16/2026, 10:59:20 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.19.28. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2026:7241 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html/release_notes/ Security Fix(es): * libpng: LIBPNG has a heap buffer overflow in png_set_quantize (CVE-2026-25646) * vim: Vim: Arbitrary code execution via command injection in glob() function (CVE-2026-33412) * expat: XML Entity Expansion (CVE-2024-28757) * grub2: Missing unregister call for gettext command may lead to use-after-free (CVE-2025-61662) * vim: Vim: Arbitrary code execution via 'helpfile' option processing (CVE-2026-25749) * vim: Vim: Arbitrary code execution via OS command injection in the netrw plugin (CVE-2026-28417) * vim: Vim: Denial of service and information disclosure via crafted swap file (CVE-2026-28421) 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. All OpenShift Container Platform 4.19 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.19/html-single/updating_clusters/index#updating-cluster-cli.

Affected software

Affected versions
Red HatRed Hat OpenShift EnterpriseRed Hat OpenShift Container Platform 4.19aarch64rhcos-aarch64-4.19.9.6.202604080618-0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/08/2026, 14:58:39 UTC

Technical Analysis

This advisory covers Red Hat OpenShift Container Platform 4.19.28, which addresses several security vulnerabilities across multiple components. Notable fixes include a heap buffer overflow in libpng (CVE-2026-25646), arbitrary code execution vulnerabilities in vim via command injection and option processing (CVE-2026-33412, CVE-2026-25749, CVE-2026-28417), XML Entity Expansion in expat (CVE-2024-28757), a use-after-free in grub2 due to a missing unregister call (CVE-2025-61662), and denial of service and information disclosure in vim via crafted swap files (CVE-2026-28421). The update is rated as having an important security impact by Red Hat Product Security. Users should upgrade using the OpenShift CLI or web console following official upgrade instructions.

Potential Impact

The vulnerabilities fixed in this update could allow attackers to execute arbitrary code, cause denial of service, disclose sensitive information, or trigger use-after-free conditions in affected components of the OpenShift Container Platform. These issues affect the security and stability of the platform, potentially compromising containerized workloads and cluster operations if exploited.

Mitigation Recommendations

Red Hat has released updated container images and packages for OpenShift Container Platform 4.19.28 that address these vulnerabilities. Users should upgrade to these updated versions as soon as they are available in the appropriate release channels. Upgrades can be performed using the OpenShift CLI (oc) or the web console. Official upgrade instructions are provided by Red Hat in their documentation. Since this is an on-premise/private cloud deployment product, remediation is managed by the user applying these updates.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2026:7243
Cve Count
7
Additional Cves
["CVE-2025-61662","CVE-2026-25646","CVE-2026-25749","CVE-2026-28417","CVE-2026-28421","CVE-2026-33412"]
Cvss Version
null

Threat ID: 6a1f4e85e29bf47b5007e08a

Added to database: 06/02/2026, 21:43:33 UTC

Last enriched: 07/08/2026, 14:58:39 UTC

Last updated: 07/31/2026, 19:24:46 UTC

Views: 94

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