RLSA-2026:99052

Synopsis

Important: .NET 8.0 security, bug fix, and enhancement update

Description

.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: 8.0.134

Runtime version: 8.0.34

Security Fix(es):

* dotnet8.0: ASP.NET Core Denial of Service Vulnerability (CVE-2026-109478)

* 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)

* 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)

Bug Fix(es) and Enhancement(s):

* Update .NET 8.0 to SDK 8.0.134 and Runtime 8.0.34 (JIRA:Rocky Linux-302533)

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 products

Rocky Linux 8 aarch64 Rocky Linux 8 x86_64

Fixes

2568440 2568441 2568442 2568443 2568446 2568449 2568450

CVEs

CVE-2026-105544 CVE-2026-109475 CVE-2026-109476 CVE-2026-109478 CVE-2026-114146 CVE-2026-114147 CVE-2026-114149

Affected packages

Rocky Linux 8 aarch64 - AppStream

aspnetcore-runtime-8.0-0:8.0.34-1.el8_10.aarch64.rpm aspnetcore-runtime-dbg-8.0-0:8.0.34-1.el8_10.aarch64.rpm aspnetcore-targeting-pack-8.0-0:8.0.34-1.el8_10.aarch64.rpm dotnet8.0-debuginfo-0:8.0.134-1.el8_10.aarch64.rpm dotnet8.0-debugsource-0:8.0.134-1.el8_10.aarch64.rpm dotnet-apphost-pack-8.0-0:8.0.34-1.el8_10.aarch64.rpm dotnet-apphost-pack-8.0-debuginfo-0:8.0.34-1.el8_10.aarch64.rpm dotnet-hostfxr-8.0-0:8.0.34-1.el8_10.aarch64.rpm dotnet-hostfxr-8.0-debuginfo-0:8.0.34-1.el8_10.aarch64.rpm dotnet-runtime-8.0-0:8.0.34-1.el8_10.aarch64.rpm dotnet-runtime-8.0-debuginfo-0:8.0.34-1.el8_10.aarch64.rpm dotnet-runtime-dbg-8.0-0:8.0.34-1.el8_10.aarch64.rpm dotnet-sdk-8.0-0:8.0.134-1.el8_10.aarch64.rpm dotnet-sdk-8.0-debuginfo-0:8.0.134-1.el8_10.aarch64.rpm dotnet-sdk-dbg-8.0-0:8.0.134-1.el8_10.aarch64.rpm dotnet-targeting-pack-8.0-0:8.0.34-1.el8_10.aarch64.rpm dotnet-templates-8.0-0:8.0.134-1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - AppStream

aspnetcore-runtime-8.0-0:8.0.34-1.el8_10.x86_64.rpm aspnetcore-runtime-dbg-8.0-0:8.0.34-1.el8_10.x86_64.rpm aspnetcore-targeting-pack-8.0-0:8.0.34-1.el8_10.x86_64.rpm dotnet8.0-0:8.0.134-1.el8_10.src.rpm dotnet8.0-debuginfo-0:8.0.134-1.el8_10.x86_64.rpm dotnet8.0-debugsource-0:8.0.134-1.el8_10.x86_64.rpm dotnet-apphost-pack-8.0-0:8.0.34-1.el8_10.x86_64.rpm dotnet-apphost-pack-8.0-debuginfo-0:8.0.34-1.el8_10.x86_64.rpm dotnet-hostfxr-8.0-0:8.0.34-1.el8_10.x86_64.rpm dotnet-hostfxr-8.0-debuginfo-0:8.0.34-1.el8_10.x86_64.rpm dotnet-runtime-8.0-0:8.0.34-1.el8_10.x86_64.rpm dotnet-runtime-8.0-debuginfo-0:8.0.34-1.el8_10.x86_64.rpm dotnet-runtime-dbg-8.0-0:8.0.34-1.el8_10.x86_64.rpm dotnet-sdk-8.0-0:8.0.134-1.el8_10.x86_64.rpm dotnet-sdk-8.0-debuginfo-0:8.0.134-1.el8_10.x86_64.rpm dotnet-sdk-dbg-8.0-0:8.0.134-1.el8_10.x86_64.rpm dotnet-targeting-pack-8.0-0:8.0.34-1.el8_10.x86_64.rpm dotnet-templates-8.0-0:8.0.134-1.el8_10.x86_64.rpm

Rocky Linux 8 aarch64 - PowerTools

dotnet-sdk-8.0-source-built-artifacts-0:8.0.134-1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - PowerTools

dotnet-sdk-8.0-source-built-artifacts-0:8.0.134-1.el8_10.x86_64.rpm