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

Fixed packages 7

Vulnerabilities 5

• High 8.8
  CVE-2026-47300

  ASP.NET Core Elevation of Privilege Vulnerability

  Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 10.0 runtime Ubuntu Alpine NuGet
  Jul 14, 2026
• High 8.8
  CVE-2026-47303

  ASP.NET Core Elevation of Privilege Vulnerability

  Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 8.0 runtime Ubuntu Alpine NuGet
  Jul 14, 2026
• High 8.1
  CVE-2026-47304

  .NET Security Feature Bypass Vulnerability

  Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft .NET Framework 3.5 AND 4.8 Ubuntu Alpine Wolfi NuGet
  Jul 14, 2026
• High 7.5
  CVE-2026-56170

  ASP.NET Core Denial of Service Vulnerability

  Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

  Microsoft .NET 9.0 runtime .NET 8.0 runtime .NET 10.0 runtime Ubuntu NuGet
  Jul 14, 2026
• Medium 6.5
  CVE-2026-50659

  .NET Spoofing Vulnerability

  Improper encoding or escaping of output in .NET allows an authorized attacker to perform spoofing over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft .NET Framework 3.5 AND 4.7.2 Ubuntu Alpine Wolfi NuGet
  Jul 14, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-56170
• article
  https://access.redhat.com/security/updates/classification/
• report
  https://access.redhat.com/security/cve/CVE-2026-50659
• report
  https://access.redhat.com/security/cve/CVE-2026-47303
• report
  https://access.redhat.com/security/cve/CVE-2026-47300
• report
  https://access.redhat.com/security/cve/CVE-2026-47304
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_39952.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2500492
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-47300
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-47300
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47300
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2500502
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-47303
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-47303
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47303
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2500509
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-47304
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-47304
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2500589
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-50659
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-50659
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50659
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2500189
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-56170
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-56170
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56170