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High 2026-07-31

.NET 10.0 Security Update — AlmaLinux 9 (ALSA-2026:41898)

AlmaLinux 9

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.110 and .NET Runtime 10.0.10. Security Fix(es)…

Affected Versions

10.0

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.110 and .NET Runtime 10.0.10.

Security Fix(es)…

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.  

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 10.0.110 and .NET Runtime 10.0.10.  

Security Fix(es):  

  * dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM (CVE-2026-50651)
  * dotnet: .NET Core: Denial of Service via type confusion (CVE-2026-57108)
  * ASP.NET Core: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-56170)
  * ASP.NET Core: ASP.NET Core: Privilege Escalation via Incorrect Authentication Algorithm (CVE-2026-47300)
  * ASP.NET Core: ASP.NET Core: Privilege Elevation via Authentication Bypass (CVE-2026-47303)
  * dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-47304)
  * dotnet: .NET: Denial of Service vulnerability due to uncontrolled resource allocation (CVE-2026-47302)
  * dotnet: .NET Framework: Privilege escalation via code injection (CVE-2026-50650)
  * dotnet: .NET: Security feature bypass due to incorrect authorization (CVE-2026-50528)
  * dotnet: .NET: Local code execution via deserialization of untrusted data (CVE-2026-50649)
  * dotnet: .NET: Local tampering via improper link resolution (CVE-2026-50526)
  * dotnet: .NET Framework: Local Code Execution via Protection Mechanism Failure (CVE-2026-50646)
  * dotnet: .NET: Denial of Service due to uncontrolled resource allocation (CVE-2026-50525)
  * dotnet: .NET Framework: Denial of Service via network-based buffer overflow (CVE-2026-50527)
  * dotnet: .NET Framework: Remote Denial of Service due to uncontrolled resource allocation (CVE-2026-50648)
  * .NET: .NET: Network Spoofing Vulnerability (CVE-2026-50659)
  * dotnet: .NET Framework: Denial of Service via improper input validation (CVE-2026-50524)


Bug Fix(es) and Enhancement(s):  

  * Update .NET 10.0 to SDK 10.0.110 and Runtime 10.0.10 [almalinux-9.8.z] (JIRA:AlmaLinux-192462)
  * dotnet10.0: Reduce time to detect hanging builds during .NET RPM builds (c9s) [almalinux-9.8.z] (JIRA:AlmaLinux-192336)


For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo dnf update
More Information

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