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

Fixed packages 6

Vulnerabilities 16

• 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 10.0 runtime Ubuntu Alpine NuGet
  Jul 14, 2026
• High 8.2
  CVE-2026-50528

  .NET Security Feature Bypass Vulnerability

  Incorrect authorization in .NET allows an unauthorized attacker to bypass a security feature over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 10.0 runtime Ubuntu Alpine Wolfi NuGet
  Jul 14, 2026
• High 7.5
  CVE-2026-45591

  ASP.NET Core Denial of Service Vulnerability

  Uncontrolled resource consumption 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 Alpine Wolfi NuGet
  Jun 9, 2026
• High 7.5
  CVE-2026-47302

  .NET Denial of Service Vulnerability

  Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service 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-2026-50524

  .NET Framework Denial of Service Vulnerability

  Improper validation of specified type of input in .NET Framework allows an unauthorized attacker to deny service over a network.

  Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 10.0 runtime Ubuntu Alpine Wolfi NuGet
  Jul 14, 2026
• High 7.5
  CVE-2026-50525

  .NET Denial of Service Vulnerability

  Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service 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-2026-50527

  .NET Framework Denial of Service Vulnerability

  Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service 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-2026-50648

  .NET Framework Denial of Service Vulnerability

  Allocation of resources without limits or throttling in .NET Framework allows an unauthorized attacker to deny service 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
• High 7.5
  CVE-2026-50651

  .NET Denial of Service Vulnerability

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

  Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 10.0 runtime 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 10.0 runtime .NET 8.0 runtime Ubuntu NuGet
  Jul 14, 2026
• High 7.5
  CVE-2026-57108

  .NET Denial of Service Vulnerability

  Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.

  Microsoft .NET 9.0 runtime .NET 10.0 runtime .NET 8.0 runtime Ubuntu Alpine Wolfi NuGet
  Jul 14, 2026
• High 7.0
  CVE-2026-50526

  .NET Tampering Vulnerability

  Improper link resolution before file access ('link following') in .NET allows an authorized attacker to perform tampering locally.

  Microsoft Microsoft Visual Studio 2022 version 17.14 .NET 9.0 runtime .NET 10.0 runtime Ubuntu Alpine 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 4.8 Ubuntu Alpine Wolfi NuGet
  Jul 14, 2026
• Medium 6.2
  CVE-2026-45491

  .NET Tampering Vulnerability

  Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.

  Microsoft .NET 9.0 runtime .NET 8.0 runtime .NET 10.0 runtime Ubuntu Alpine Wolfi NuGet
  Jun 9, 2026
• Medium 4.4
  CVE-2026-45736

  ws: Uninitialized memory disclosure

  ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

  websockets ws langfuse-3-worker katib-suggestion-hyperopt Debian Ubuntu Wolfi npm
  May 15, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-45591
• article
  https://access.redhat.com/security/updates/classification/
• report
  https://access.redhat.com/security/cve/CVE-2026-45491
• report
  https://access.redhat.com/security/cve/CVE-2026-45736
• report
  https://access.redhat.com/security/cve/CVE-2026-50527
• report
  https://access.redhat.com/security/cve/CVE-2026-50526
• report
  https://access.redhat.com/security/cve/CVE-2026-50524
• report
  https://access.redhat.com/security/cve/CVE-2026-50648
• report
  https://access.redhat.com/security/cve/CVE-2026-50525
• report
  https://access.redhat.com/security/cve/CVE-2026-50528
• report
  https://access.redhat.com/security/cve/CVE-2026-47302
• report
  https://access.redhat.com/security/cve/CVE-2026-57108
• report
  https://access.redhat.com/security/cve/CVE-2026-50651
• report
  https://access.redhat.com/security/cve/CVE-2026-56170
• 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
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_26638.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2487164
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-45491
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-45491
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45491
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2487224
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-45591
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-45591
• article
  https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2477914
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-45736
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-45736
• article
  https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086
• article
  https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx
• 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=2500515
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-47302
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-47302