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OpenAdvisories
High ALSA-2021:3819 1 CVE

Important: .NET 5.0 security and bugfix update

Published Oct 12, 2021 · Updated Oct 29, 2026

Summary

.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 5.0.208 and .NET Runtime 5.0.11.

Security Fix(es):

* dotnet: System.DirectoryServices.Protocols.LdapConnection sends credentials in plaintext if TLS handshake fails (CVE-2021-41355)

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.

Fixed packages 8

ReleasePackageFixed in
AlmaLinux · 8 aspnetcore-runtime-5.0 5.0.11-1.el8_4
AlmaLinux · 8 aspnetcore-targeting-pack-5.0 5.0.11-1.el8_4
AlmaLinux · 8 dotnet-apphost-pack-5.0 5.0.11-1.el8_4
AlmaLinux · 8 dotnet-hostfxr-5.0 5.0.11-1.el8_4
AlmaLinux · 8 dotnet-runtime-5.0 5.0.11-1.el8_4
AlmaLinux · 8 dotnet-sdk-5.0 5.0.208-1.el8_4
AlmaLinux · 8 dotnet-targeting-pack-5.0 5.0.11-1.el8_4
AlmaLinux · 8 dotnet-templates-5.0 5.0.208-1.el8_4

Vulnerabilities 1

References

  • report
    https://vulners.com/cve/CVE-2021-41355