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OpenAdvisories
High 1 exploited CVE USN-6278-2 3 CVEs

dotnet6, dotnet7 vulnerabilities

Published Aug 10, 2023 · Updated Feb 10, 2026

Summary

USN-6278-1 fixed several vulnerabilities in .NET. This update
provides the corresponding updates for Ubuntu 22.04 LTS.

Original advisory details:

It was discovered that .NET did properly handle the execution of
certain commands. An attacker could possibly use this issue to
achieve remote code execution. (CVE-2023-35390)

Benoit Foucher discovered that .NET did not properly implement the
QUIC stream limit in HTTP/3. An attacker could possibly use this
issue to cause a denial of service. (CVE-2023-38178)

It was discovered that .NET did not properly handle the disconnection
of potentially malicious clients interfacing with a Kestrel server. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2023-38180)

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 22.04 LTS 22.04:LTS dotnet6 6.0.121-0ubuntu1~22.04.1
Ubuntu · 22.04 LTS 22.04:LTS dotnet7 7.0.110-0ubuntu1~22.04.1

Vulnerabilities 3

References

  • report
    https://ubuntu.com/security/CVE-2023-35390
  • report
    https://ubuntu.com/security/CVE-2023-38178
  • report
    https://ubuntu.com/security/CVE-2023-38180