Critical: .NET 8.0 security, bug fix, and enhancement update
.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.
SDK version: 8.0.132
Runtime version: 8.0.32
Security Fix(es):
* dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280)
* dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-
Moderate: .NET 8.0 security, bug fix, and enhancement update
.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.
SDK version: 8.0.131
Runtime version: 8.0.31
Security Fix(es):
* dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649)
Bug Fix(es) and Enhancement(s):
* Update .NET 8.0 to SDK 8.0.131 and Runtime 8.0.31 [alma
Important: .NET 8.0 security, bug fix, and enhancement update
.NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything.
SDK version: 8.0.130
Runtime version: 8.0.30
Security Fix(es):
* .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)
* .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)
* .NET: .NET Denial of Service Vulnerabil
Important: .NET 8.0 security, bug fix, and enhancement update
.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 8.0.129 and .NET Runtime 8.0.29.
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: Privileg
.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 8.0.128 and .NET Runtime 8.0.28.Security Fix(es):
* dotnet: .NET: Local file tampering via link following vulnerability (CVE-2026-45491)
* dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption (CVE-2026-45591)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the C
.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 8.0.127 and .NET Runtime 8.0.27.Security Fix(es):
* serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization (CVE-2026-34043)
* dotnet: .NET: infinite loop allows an attacker to cause a denial of service (CVE-2026-42899)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments,
.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 8.0.126 and .NET Runtime 8.0.26.Security Fix(es):
* dotnet: .NET: Security Bypass and Denial of Service Vulnerability (CVE-2026-26171)
* dotnet: .NET: Denial of Service via stack overflow (CVE-2026-32203)
* dotnet: .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform (CVE-2026-33116)
* dotnet: Dotnet: SMTP Command Injection and Header Injection via MailA
.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 8.0.125 and .NET Runtime 8.0.25.Security Fix(es):
* asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-26130)
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.
.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 8.0.121 and .NET Runtime 8.0.21.Security Fix(es):
* dotnet: .NET Information Disclosure Vulnerability (CVE-2025-55248)
* dotnet: .NET Security Feature Bypass Vulnerability (CVE-2025-55315)
* dotnet: .NET Denial of Service Vulnerability (CVE-2025-55247)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related inform
.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 8.0.117 and .NET Runtime 8.0.17.Security Fix(es):
* dotnet: .NET Remote Code Vulnerability (CVE-2025-30399)
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.
.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 8.0.116 and .NET Runtime 8.0.16.Security Fix(es):
* dotnet: .NET and Visual Studio Spoofing Vulnerability (CVE-2025-26646)
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.