ALSA-2026:86594: 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-2026-66822) dotnet9.0: dotnet: dotnet10.0: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-69651) dotnet8.0: dotnet10.0: dotnet: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70159) dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70175) dotnet10.0: dotnet8.0: dotnet9.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70179) dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70181) dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Elevation of Privilege Vulnerability (CVE-2026-70183) dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70186) dotnet: ASP.NET Core Security Feature Bypass Vulnerability (CVE-2026-70188) dotnet9.0: dotnet8.0: dotnet10.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-70196) dotnet: ASP.NET Core Tampering Vulnerability (CVE-2026-88092) dotnet10.0: dotnet8.0: dotnet9.0: dotnet: MessagePack: Nested arrays can blow past buffer length limits (CVE-2026-92707) dotnet8.0: Active Directory Federation Services (AD FS) Spoofing Vulnerability (CVE-2026-96222) dotnet: dotnet8.0: dotnet9.0: dotnet10.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96225) dotnet9.0: dotnet10.0: dotnet8.0: dotnet: ASP.NET Core Remote Code Execution Vulnerability (CVE-2026-96230) dotnet: dotnet9.0: dotnet10.0: dotnet8.0: .NET Elevation of Privilege Vulnerability (CVE-2026-96231) dotnet10.0: dotnet: dotnet8.0: dotnet9.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96233) dotnet: dotnet10.0: dotnet9.0: dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-96236) dotnet8.0: dotnet10.0: dotnet9.0: .NET Remote Code Execution Vulnerability (CVE-2026-96237) dotnet8.0: dotnet10.0: dotnet9.0: dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-96238)
Bug Fix(es) and Enhancement(s):
Update .NET 8.0 to SDK 8.0.132 and Runtime 8.0.32 (JIRA:AlmaLinux-277790)
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
almalinux/aspnetcore-runtime-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/aspnetcore-runtime-dbg-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/aspnetcore-targeting-pack-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-apphost-pack-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-hostfxr-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-runtime-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-runtime-dbg-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-sdk-8.0to a version that resolves this vulnerability.Fixed in 8.0.132-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-sdk-8.0-source-built-artifactsto a version that resolves this vulnerability.Fixed in 8.0.132-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-sdk-dbg-8.0to a version that resolves this vulnerability.Fixed in 8.0.132-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-targeting-pack-8.0to a version that resolves this vulnerability.Fixed in 8.0.32-2.el8_10 - Upgrade
Upgrade
almalinux/dotnet-templates-8.0to a version that resolves this vulnerability.Fixed in 8.0.132-2.el8_10 - Upgrade
Upgrade
.NET 8.0 SDKto a version that resolves this vulnerability.Fixed in 8.0.132 - Upgrade
Upgrade
.NET 8.0 Runtimeto a version that resolves this vulnerability.Fixed in 8.0.32
Event History
Child vulnerabilities
Contains the following vulnerabilities.