RHSA-2026:55405HighCVSS 7.8

Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Published
August 16, 2026
Last Modified
September 7, 2026

🔗 CVE IDs covered (5)

CVE-2026-62900 →CVE-2026-62901 →CVE-2026-62902 →CVE-2026-62909 →CVE-2026-62899 →

📋 Description

CVE-2026-62899 — .NET: .NET Core: .NET Security Feature Bypass Vulnerability CVE-2026-62900 — .NET: .NET Information Disclosure Vulnerability CVE-2026-62901 — .NET: .NET Denial of Service Vulnerability CVE-2026-62902 — dotnet: .NET: Information Disclosure Vulnerability CVE-2026-62909 — .NET: .NET Elevation of Privilege Vulnerability

🎯 Affected products4

  • Red Hat Hardened Images
  • dotnet8-0-main@aarch64 as a component of Red Hat Hardened Images
  • dotnet8-0-main@src as a component of Red Hat Hardened Images
  • dotnet8-0-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. Workaround: No mitigation is needed. All shipped versions of .NET in Red Hat products already contain the fix for this vulnerability.

🔗 References (9)