RLSA-2026:54538

Security

Mirrored from RHSA-2026:54538

Issued at: 2026-08-14

Updated at: 2026-08-16

Advisory content derived from Red Hat RHSA-2026:54538, © Red Hat, Inc., used under CC BY 4.0, with modifications.

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: 8.0.130

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 Vulnerability (CVE-2026-62901)

* .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

Bug Fix(es) and Enhancement(s):

* Update .NET 8.0 to SDK 8.0.130 and Runtime 8.0.30 (JIRA:Rocky Linux-235468)

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

2512175

2512179

2512180

2512185

CVEs

CVE-2026-62899

CVE-2026-62900

CVE-2026-62901

CVE-2026-62909

Affected packages

Rocky Linux 8 aarch64 - AppStream

aspnetcore-runtime-8.0-0:8.0.30-1.el8_10.aarch64.rpm

aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el8_10.aarch64.rpm

aspnetcore-targeting-pack-8.0-0:8.0.30-1.el8_10.aarch64.rpm

dotnet8.0-0:8.0.130-1.el8_10.src.rpm

dotnet8.0-debuginfo-0:8.0.130-1.el8_10.aarch64.rpm

dotnet8.0-debugsource-0:8.0.130-1.el8_10.aarch64.rpm

dotnet-apphost-pack-8.0-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-hostfxr-8.0-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-hostfxr-8.0-debuginfo-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-runtime-8.0-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-runtime-8.0-debuginfo-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-runtime-dbg-8.0-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-sdk-8.0-0:8.0.130-1.el8_10.aarch64.rpm

dotnet-sdk-8.0-debuginfo-0:8.0.130-1.el8_10.aarch64.rpm

dotnet-sdk-dbg-8.0-0:8.0.130-1.el8_10.aarch64.rpm

dotnet-targeting-pack-8.0-0:8.0.30-1.el8_10.aarch64.rpm

dotnet-templates-8.0-0:8.0.130-1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - AppStream

aspnetcore-runtime-8.0-0:8.0.30-1.el8_10.x86_64.rpm

aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el8_10.x86_64.rpm

aspnetcore-targeting-pack-8.0-0:8.0.30-1.el8_10.x86_64.rpm

dotnet8.0-0:8.0.130-1.el8_10.src.rpm

dotnet8.0-debuginfo-0:8.0.130-1.el8_10.x86_64.rpm

dotnet8.0-debugsource-0:8.0.130-1.el8_10.x86_64.rpm

dotnet-apphost-pack-8.0-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-hostfxr-8.0-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-hostfxr-8.0-debuginfo-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-runtime-8.0-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-runtime-8.0-debuginfo-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-runtime-dbg-8.0-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-sdk-8.0-0:8.0.130-1.el8_10.x86_64.rpm

dotnet-sdk-8.0-debuginfo-0:8.0.130-1.el8_10.x86_64.rpm

dotnet-sdk-dbg-8.0-0:8.0.130-1.el8_10.x86_64.rpm

dotnet-targeting-pack-8.0-0:8.0.30-1.el8_10.x86_64.rpm

dotnet-templates-8.0-0:8.0.130-1.el8_10.x86_64.rpm

Rocky Linux 8 aarch64 - PowerTools

dotnet-sdk-8.0-source-built-artifacts-0:8.0.130-1.el8_10.aarch64.rpm

Rocky Linux 8 x86_64 - PowerTools

dotnet-sdk-8.0-source-built-artifacts-0:8.0.130-1.el8_10.x86_64.rpm