This Red Hat security advisory announces an update to the helm4 RPMs in Red Hat Hardened Images to version 4.3.0-0.2.hum1 for aarch64 and x86_64 architectures. The update addresses security vulnerabilities identified by CVE-2026-81871 among others. The advisory references multiple CVEs (CVE-2026-81871, CVE-2026-81872, CVE-2026-93450, CVE-2026-63209) but specifically lists CVE-2026-81871 as fixed in this update. No CVSS score is provided. The advisory does not specify affected versions explicitly but implies that versions prior to 4.3.0-0.2.hum1 are vulnerable.

The vulnerabilities addressed are rated as high severity by Red Hat. The specific impact details are not provided in the advisory, but the presence of multiple CVEs and the high severity rating indicate potential significant security risks if unpatched. No known exploits in the wild have been reported at this time.

A security update is available and should be applied by upgrading the helm4 package to version 4.3.0-0.2.hum1 for the affected architectures. Users should follow Red Hat's official update procedures as detailed in the advisory and on https://images.redhat.com/. No additional mitigation steps are indicated.