RHSA-2021:0476 — 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 · February 11, 2021

Updated · June 28, 2026

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 5.0.103 and .NET Runtime 5.0.3.

Security Fix(es):

  • dotnet: certificate chain building recursion Denial of Service (CVE-2021-1721)

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-2021:0476 — Red Hat Security Advisory: dotnet5.0 security and bugfix update | PulseLinux