RHSA-2026:20334HighCVSS 7.5

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

Published
May 21, 2026
Last Modified
September 1, 2026

🔗 CVE IDs covered (4)

CVE-2026-3039 →CVE-2026-3592 →CVE-2026-5946 →CVE-2026-5950 →

📋 Description

CVE-2026-3039 — bind: BIND 9 server memory exhaustion during GSS-API TKEY negotiation CVE-2026-3592 — bind: Amplification vulnerabilities via self-pointed glue records CVE-2026-5946 — bind: BIND: Denial of Service via specially crafted DNS messages CVE-2026-5950 — bind: Unbounded resend loop in BIND 9 resolver

🎯 Affected products5

  • Red Hat Hardened Images
  • bind-main@aarch64 as a component of Red Hat Hardened Images
  • bind-main@noarch as a component of Red Hat Hardened Images
  • bind-main@src as a component of Red Hat Hardened Images
  • bind-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. Example: ```bash # Edit /etc/named.conf and remove or comment out lines related to tkey-gssapi-keytab or tkey-gssapi-credential. # For example, remove or comment out: # key "gssapi-key" { # algorithm GSSAPI; # secret "BASE64_ENCODED_KEY"; # }; # # Then reload the named service: systemctl reload named ``` Reloading the `named` service may cause a brief interruption in DNS resolution. 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. 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 (8)