RHSA-2026:99137: Important: .NET 11.0 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: 11.0.100Runtime version: 11.0.0Security Fix(es): dotnet8.0: dotnet11.0: dotnet9.0: dotnet10.0: ASP.NET Core Information Disclosure Vulnerability (CVE-2026-109476) dotnet11.0: dotnet10.0: dotnet9.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-105544) dotnet8.0: dotnet9.0: dotnet11.0: dotnet10.0: .NET Denial of Service Vulnerability (CVE-2026-109475) dotnet11.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-109481) dotnet9.0: dotnet11.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-114146) dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-114147) dotnet11.0: dotnet8.0: dotnet9.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-114149) dotnet11.0: ASP.NET Core Information Disclosure Vulnerability (CVE-2026-114150) dotnet11.0: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-114156) dotnet11.0: .NET Security Feature Bypass Vulnerability (CVE-2026-118746) dotnet11.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-118748) dotnet11.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-118749) dotnet11.0: .NET Denial of Service Vulnerability (CVE-2026-120796) dotnet10.0: dotnet11.0: .NET Elevation of Privilege Vulnerability (CVE-2026-114155) Bug Fix(es) and Enhancement(s): Update .NET 11.0 to SDK 11.0.100 and Runtime 11.0.0 [rhel-10.3.z] (JIRA:RHEL-302532) 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.
Other sources
Important: .NET 11.0 security, bug fix, and enhancement update
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/dotnet11.0-debugsourceto a version that resolves this vulnerability.Fixed in 11.0.100-1.el10_3.aa - Upgrade
Upgrade
.NET SDKto a version that resolves this vulnerability.Fixed in 11.0.100 - Upgrade
Upgrade
.NET Runtimeto a version that resolves this vulnerability.Fixed in 11.0.0