RHSA-2026:26638HighCVSS 8.8

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

Published
June 17, 2026
Last Modified
August 25, 2026

🔗 CVE IDs covered (16)

📋 Description

CVE-2026-45491 — dotnet: .NET: Local file tampering via link following vulnerability CVE-2026-45591 — dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption CVE-2026-45736 — ws: ws: Uninitialized memory disclosure via websocket.close() with TypedArray CVE-2026-47300 — ASP.NET Core: ASP.NET Core: Privilege Escalation via Incorrect Authentication Algorithm CVE-2026-47302 — dotnet: .NET: Denial of Service vulnerability due to uncontrolled resource allocation CVE-2026-47303 — ASP.NET Core: ASP.NET Core: Privilege Elevation via Authentication Bypass CVE-2026-50524 — dotnet: .NET Framework: Denial of Service via improper input validation CVE-2026-50525 — dotnet: .NET: Denial of Service due to uncontrolled resource allocation CVE-2026-50526 — dotnet: .NET: Local tampering via improper link resolution CVE-2026-50527 — dotnet: .NET Framework: Denial of Service via network-based buffer overflow CVE-2026-50528 — dotnet: .NET: Security feature bypass due to incorrect authorization CVE-2026-50648 — dotnet: .NET Framework: Remote Denial of Service due to uncontrolled resource allocation CVE-2026-50651 — dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM CVE-2026-50659 — .NET: .NET: Network Spoofing Vulnerability CVE-2026-56170 — ASP.NET Core: ASP.NET Core: Denial of Service via uncontrolled resource allocation CVE-2026-57108 — dotnet: .NET Core: Denial of Service via type confusion

🎯 Affected products4

  • Red Hat Hardened Images
  • dotnet10-0-main@aarch64 as a component of Red Hat Hardened Images
  • dotnet10-0-main@src as a component of Red Hat Hardened Images
  • dotnet10-0-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: Red Hat is not aware of a practical temporary workaround that fully mitigates this issue or meets Red Hat Product Security's standards for usability, deployment, applicability, or stability. Customers are advised to apply the relevant security updates when they become available.

🔗 References (20)