Summary
.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 9.0.102 and .NET Runtime 9.0.1.
Security Fix(es):
* dotnet: .NET Remote Code Execution Vulnerability (CVE-2025-21171)
* dotnet: .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2025-21172)
* dotnet: .NET Elevation of Privilege Vulnerability (CVE-2025-21173)
* dotnet: .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability (CVE-2025-21176)
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.Security Fix(es):
* dotnet: .NET Elevation of Privilege Vulnerability (CVE-2025-21173)
* dotnet: .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability (CVE-2025-21176)
* dotnet: .NET and Visual Studio Remote Code Execution Vulnerability (CVE-2025-21172)
* dotnet: .NET Remote Code Execution Vulnerability (CVE-2025-21171)
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.
Fixed packages 16
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | aspnetcore-runtime-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | aspnetcore-runtime-dbg-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | aspnetcore-targeting-pack-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet | 9.0.102-1.el8_10 |
| AlmaLinux · 8 | dotnet-apphost-pack-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet-host | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet-hostfxr-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet-runtime-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet-runtime-dbg-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet-sdk-9.0 | 9.0.102-1.el8_10 |
| AlmaLinux · 8 | dotnet-sdk-9.0-source-built-artifacts | 9.0.102-1.el8_10 |
| AlmaLinux · 8 | dotnet-sdk-aot-9.0 | 9.0.102-1.el8_10 |
| AlmaLinux · 8 | dotnet-sdk-dbg-9.0 | 9.0.102-1.el8_10 |
| AlmaLinux · 8 | dotnet-targeting-pack-9.0 | 9.0.1-1.el8_10 |
| AlmaLinux · 8 | dotnet-templates-9.0 | 9.0.102-1.el8_10 |
| AlmaLinux · 8 | netstandard-targeting-pack-2.1 | 9.0.102-1.el8_10 |
Vulnerabilities 4
-
High 8.8
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
-
High 7.5
.NET Remote Code Execution Vulnerability
.NET Remote Code Execution Vulnerability
-
High 7.5
.NET and Visual Studio Remote Code Execution Vulnerability
.NET and Visual Studio Remote Code Execution Vulnerability
-
High 7.3
.NET Elevation of Privilege Vulnerability
.NET Elevation of Privilege Vulnerability
References
-
report
https://access.redhat.com/security/cve/CVE-2025-21171
-
report
https://access.redhat.com/security/cve/CVE-2025-21172
-
report
https://access.redhat.com/security/cve/CVE-2025-21173
-
report
https://access.redhat.com/security/cve/CVE-2025-21176
-
report
https://bugzilla.redhat.com/2337893
-
report
https://bugzilla.redhat.com/2337926
-
report
https://bugzilla.redhat.com/2337927
-
report
https://bugzilla.redhat.com/2337958
-
advisory
https://errata.almalinux.org/8/ALSA-2025-0382.html