RHSA-2026:88185HighCVSS 7.5

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published
October 22, 2026
Last Modified
October 29, 2026

🔗 CVE IDs covered (1)

📋 Description

CVE-2026-116591 — github.com/klauspost/compress: klauspost/compress: Denial of Service via crafted zstd compressed input

🎯 Affected products5

  • Red Hat Hardened Images
  • opentelemetry-collector-k8s-0:0.163.2-0.1.hum1@aarch64 as a component of Red Hat Hardened Images
  • opentelemetry-collector-k8s-0:0.163.2-0.1.hum1@s390x as a component of Red Hat Hardened Images
  • opentelemetry-collector-k8s-0:0.163.2-0.1.hum1@src as a component of Red Hat Hardened Images
  • opentelemetry-collector-k8s-0:0.163.2-0.1.hum1@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: Reject or filter untrusted Zstandard-compressed payloads at ingress proxies, or restrict decompression endpoints to authenticated, trusted clients. No direct configuration-level workaround exists within the library itself.

🔗 References (5)