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Unscored USN-6161-2 0 CVEs

dotnet6, dotnet7 regression

Published Jun 23, 2023 · Updated Feb 10, 2026

Summary

USN-6161-1 fixed vulnerabilities in .NET. The update introduced
a regression with regards to how the runtime imported X.509
certificates. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that .NET did not properly enforce certain
restrictions when deserializing a DataSet or DataTable from
XML. An attacker could possibly use this issue to elevate their
privileges. (CVE-2023-24936)

Kevin Jones discovered that .NET did not properly handle the
AIA fetching process for X.509 client certificates. An attacker
could possibly use this issue to cause a denial of service.
(CVE-2023-29331)

Kalle Niemitalo discovered that the .NET package manager,
NuGet, was susceptible to a potential race condition. An
attacker could possibly use this issue to perform remote
code execution. (CVE-2023-29337)

Tom Deseyn discovered that .NET did not properly process certain
arguments when extracting the contents of a tar file. An attacker
could possibly use this issue to elevate their privileges. This
issue only affected the dotnet7 package. (CVE-2023-32032)

It was discovered that .NET did not properly handle memory in
certain circumstances. An attacker could possibly use this issue
to cause a denial of service or perform remote code execution.
(CVE-2023-33128)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS dotnet6 6.0.119-0ubuntu1~22.04.1
Ubuntu · 22.04 LTS 22.04:LTS dotnet7 7.0.108-0ubuntu1~22.04.1

References

  • report
    https://launchpad.net/bugs/2024893
  • report
    https://launchpad.net/bugs/2024894