RHSA-2026:57986HighCVSS 7.5

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

Published
August 21, 2026
Last Modified
September 16, 2026

🔗 CVE IDs covered (3)

CVE-2026-80213 →CVE-2026-54876 →CVE-2026-80212 →

📋 Description

CVE-2026-54876 — openssl: OpenSSL: Memory leak leads to Denial of Service in OCSP response checking CVE-2026-80212 — resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80213 — resolv: Resolv gem: DNS allowlist and egress bypass, and cache poisoning via crafted hostnames

🎯 Affected products5

  • Red Hat Hardened Images
  • ruby3-3-main@aarch64 as a component of Red Hat Hardened Images
  • ruby3-3-main@noarch as a component of Red Hat Hardened Images
  • ruby3-3-main@src as a component of Red Hat Hardened Images
  • ruby3-3-main@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: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

🔗 References (7)