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High 1 exploited CVE ALSA-2023:4644 2 CVEs

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

Published Aug 14, 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 6.0.121 and .NET Runtime 6.0.21.

Security Fix(es):

* dotnet: RCE under dotnet commands (CVE-2023-35390)
* dotnet: Kestrel vulnerability to slow read attacks leading to Denial of Service attack (CVE-2023-38180)

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 · 9 aspnetcore-runtime-6.0 6.0.21-1.el9_2
AlmaLinux · 9 aspnetcore-targeting-pack-6.0 6.0.21-1.el9_2
AlmaLinux · 9 dotnet-apphost-pack-6.0 6.0.21-1.el9_2
AlmaLinux · 9 dotnet-hostfxr-6.0 6.0.21-1.el9_2
AlmaLinux · 9 dotnet-runtime-6.0 6.0.21-1.el9_2
AlmaLinux · 9 dotnet-sdk-6.0 6.0.121-1.el9_2
AlmaLinux · 9 dotnet-sdk-6.0-source-built-artifacts 6.0.121-1.el9_2
AlmaLinux · 9 dotnet-targeting-pack-6.0 6.0.21-1.el9_2
AlmaLinux · 9 dotnet-templates-6.0 6.0.121-1.el9_2

Vulnerabilities 2

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-35390
  • report
    https://access.redhat.com/security/cve/CVE-2023-38180
  • report
    https://bugzilla.redhat.com/2228621
  • report
    https://bugzilla.redhat.com/2228622
  • advisory
    https://errata.almalinux.org/9/ALSA-2023-4644.html