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RLSA-2026:54574

Security Mirrored from RHSA-2026:54574
Issued at: 2026-08-15
Updated at: 2026-08-16

Advisory content derived from Red Hat RHSA-2026:54574, © 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 [rhel-9.8.z] (JIRA:Rocky Linux-235471)

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 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2512175 2512179 2512180 2512185

CVEs

CVE-2026-62899 CVE-2026-62900 CVE-2026-62901 CVE-2026-62909

Affected packages

Rocky Linux 9 aarch64 - AppStream

aspnetcore-runtime-8.0-0:8.0.30-1.el9_8.aarch64.rpm aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el9_8.aarch64.rpm aspnetcore-targeting-pack-8.0-0:8.0.30-1.el9_8.aarch64.rpm dotnet8.0-0:8.0.130-1.el9_8.src.rpm dotnet8.0-debuginfo-0:8.0.130-1.el9_8.aarch64.rpm dotnet8.0-debugsource-0:8.0.130-1.el9_8.aarch64.rpm dotnet-apphost-pack-8.0-0:8.0.30-1.el9_8.aarch64.rpm dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el9_8.aarch64.rpm dotnet-hostfxr-8.0-0:8.0.30-1.el9_8.aarch64.rpm dotnet-hostfxr-8.0-debuginfo-0:8.0.30-1.el9_8.aarch64.rpm dotnet-runtime-8.0-0:8.0.30-1.el9_8.aarch64.rpm dotnet-runtime-8.0-debuginfo-0:8.0.30-1.el9_8.aarch64.rpm dotnet-runtime-dbg-8.0-0:8.0.30-1.el9_8.aarch64.rpm dotnet-sdk-8.0-0:8.0.130-1.el9_8.aarch64.rpm dotnet-sdk-8.0-debuginfo-0:8.0.130-1.el9_8.aarch64.rpm dotnet-sdk-dbg-8.0-0:8.0.130-1.el9_8.aarch64.rpm dotnet-targeting-pack-8.0-0:8.0.30-1.el9_8.aarch64.rpm dotnet-templates-8.0-0:8.0.130-1.el9_8.aarch64.rpm

Rocky Linux 9 ppc64le - AppStream

aspnetcore-runtime-8.0-0:8.0.30-1.el9_8.ppc64le.rpm aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el9_8.ppc64le.rpm aspnetcore-targeting-pack-8.0-0:8.0.30-1.el9_8.ppc64le.rpm dotnet8.0-0:8.0.130-1.el9_8.src.rpm dotnet8.0-debuginfo-0:8.0.130-1.el9_8.ppc64le.rpm dotnet8.0-debugsource-0:8.0.130-1.el9_8.ppc64le.rpm dotnet-apphost-pack-8.0-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-hostfxr-8.0-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-hostfxr-8.0-debuginfo-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-runtime-8.0-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-runtime-8.0-debuginfo-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-runtime-dbg-8.0-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-sdk-8.0-0:8.0.130-1.el9_8.ppc64le.rpm dotnet-sdk-8.0-debuginfo-0:8.0.130-1.el9_8.ppc64le.rpm dotnet-sdk-dbg-8.0-0:8.0.130-1.el9_8.ppc64le.rpm dotnet-targeting-pack-8.0-0:8.0.30-1.el9_8.ppc64le.rpm dotnet-templates-8.0-0:8.0.130-1.el9_8.ppc64le.rpm

Rocky Linux 9 s390x - AppStream

aspnetcore-runtime-8.0-0:8.0.30-1.el9_8.s390x.rpm aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el9_8.s390x.rpm aspnetcore-targeting-pack-8.0-0:8.0.30-1.el9_8.s390x.rpm dotnet8.0-0:8.0.130-1.el9_8.src.rpm dotnet8.0-debuginfo-0:8.0.130-1.el9_8.s390x.rpm dotnet8.0-debugsource-0:8.0.130-1.el9_8.s390x.rpm dotnet-apphost-pack-8.0-0:8.0.30-1.el9_8.s390x.rpm dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el9_8.s390x.rpm dotnet-hostfxr-8.0-0:8.0.30-1.el9_8.s390x.rpm dotnet-hostfxr-8.0-debuginfo-0:8.0.30-1.el9_8.s390x.rpm dotnet-runtime-8.0-0:8.0.30-1.el9_8.s390x.rpm dotnet-runtime-8.0-debuginfo-0:8.0.30-1.el9_8.s390x.rpm dotnet-runtime-dbg-8.0-0:8.0.30-1.el9_8.s390x.rpm dotnet-sdk-8.0-0:8.0.130-1.el9_8.s390x.rpm dotnet-sdk-8.0-debuginfo-0:8.0.130-1.el9_8.s390x.rpm dotnet-sdk-dbg-8.0-0:8.0.130-1.el9_8.s390x.rpm dotnet-targeting-pack-8.0-0:8.0.30-1.el9_8.s390x.rpm dotnet-templates-8.0-0:8.0.130-1.el9_8.s390x.rpm

Rocky Linux 9 x86_64 - AppStream

aspnetcore-runtime-8.0-0:8.0.30-1.el9_8.x86_64.rpm aspnetcore-runtime-dbg-8.0-0:8.0.30-1.el9_8.x86_64.rpm aspnetcore-targeting-pack-8.0-0:8.0.30-1.el9_8.x86_64.rpm dotnet8.0-0:8.0.130-1.el9_8.src.rpm dotnet8.0-debuginfo-0:8.0.130-1.el9_8.x86_64.rpm dotnet8.0-debugsource-0:8.0.130-1.el9_8.x86_64.rpm dotnet-apphost-pack-8.0-0:8.0.30-1.el9_8.x86_64.rpm dotnet-apphost-pack-8.0-debuginfo-0:8.0.30-1.el9_8.x86_64.rpm dotnet-hostfxr-8.0-0:8.0.30-1.el9_8.x86_64.rpm dotnet-hostfxr-8.0-debuginfo-0:8.0.30-1.el9_8.x86_64.rpm dotnet-runtime-8.0-0:8.0.30-1.el9_8.x86_64.rpm dotnet-runtime-8.0-debuginfo-0:8.0.30-1.el9_8.x86_64.rpm dotnet-runtime-dbg-8.0-0:8.0.30-1.el9_8.x86_64.rpm dotnet-sdk-8.0-0:8.0.130-1.el9_8.x86_64.rpm dotnet-sdk-8.0-debuginfo-0:8.0.130-1.el9_8.x86_64.rpm dotnet-sdk-dbg-8.0-0:8.0.130-1.el9_8.x86_64.rpm dotnet-targeting-pack-8.0-0:8.0.30-1.el9_8.x86_64.rpm dotnet-templates-8.0-0:8.0.130-1.el9_8.x86_64.rpm

Rocky Linux 9 aarch64 - CRB

dotnet-sdk-8.0-source-built-artifacts-0:8.0.130-1.el9_8.aarch64.rpm

Rocky Linux 9 ppc64le - CRB

dotnet-sdk-8.0-source-built-artifacts-0:8.0.130-1.el9_8.ppc64le.rpm

Rocky Linux 9 s390x - CRB

dotnet-sdk-8.0-source-built-artifacts-0:8.0.130-1.el9_8.s390x.rpm

Rocky Linux 9 x86_64 - CRB

dotnet-sdk-8.0-source-built-artifacts-0:8.0.130-1.el9_8.x86_64.rpm