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.