RHSA-2021:0094 — Security Advisory

Red Hat Security Advisory: dotnet5.0 security and bugfix update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · January 14, 2021

Updated · November 22, 2025

Topic

An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.102 and .NET Runtime 5.0.2.

Security Fix(es):

  • dotnet: ASP.NET Core Callbacks outside of locks cause Krestel deadlock when using HTTP2 (CVE-2021-1723)

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.

Related CVEs

RHSA-2021:0094 — Red Hat Security Advisory: dotnet5.0 security and bugfix update | PulseLinux