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Medium ALSA-2023:0079 1 CVE

Moderate: .NET 6.0 security, bug fix, and enhancement update

Published Jan 11, 2023 · 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 6.0.113 and .NET Runtime 6.0.13.

The following packages have been upgraded to a later upstream version: dotnet6.0 (6.0.113). (BZ#2154458)

Security Fix(es):

* dotnet: Parsing an empty HTTP response as a JSON.NET JObject causes a stack overflow and crashes a process (CVE-2023-21538)

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 9

ReleasePackageFixed in
AlmaLinux · 8 aspnetcore-runtime-6.0 6.0.13-1.el8_7
AlmaLinux · 8 aspnetcore-targeting-pack-6.0 6.0.13-1.el8_7
AlmaLinux · 8 dotnet-apphost-pack-6.0 6.0.13-1.el8_7
AlmaLinux · 8 dotnet-hostfxr-6.0 6.0.13-1.el8_7
AlmaLinux · 8 dotnet-runtime-6.0 6.0.13-1.el8_7
AlmaLinux · 8 dotnet-sdk-6.0 6.0.113-1.el8_7
AlmaLinux · 8 dotnet-sdk-6.0-source-built-artifacts 6.0.113-1.el8_7
AlmaLinux · 8 dotnet-targeting-pack-6.0 6.0.13-1.el8_7
AlmaLinux · 8 dotnet-templates-6.0 6.0.113-1.el8_7

Vulnerabilities 1

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-21538
  • report
    https://bugzilla.redhat.com/2158342
  • advisory
    https://errata.almalinux.org/8/ALSA-2023-0079.html