UBUNTU-CVE-2026-114148: Medium severity ubuntu/dotnet6 vulnerability

Published Oct 26, 2026
·
Updated

Unsafe ownership metadata in affected .NET tarballs could allow a local attacker to modify files and gain elevated privileges.

Affected Software

7 affected componentsFixes available
ubuntu/dotnet6*
ubuntu/dotnet8<8.0.133-8.0.33-0ubuntu1~22.04.1
8.0.133-8.0.33-0ubuntu1~22.04.1
ubuntu/dotnet10<10.0.114-10.0.14-0ubuntu1~24.04.1
10.0.114-10.0.14-0ubuntu1~24.04.1
ubuntu/dotnet8<8.0.133-8.0.33-0ubuntu1~24.04.1
8.0.133-8.0.33-0ubuntu1~24.04.1
ubuntu/dotnet10<10.0.114-10.0.14-0ubuntu1~26.10.1
10.0.114-10.0.14-0ubuntu1~26.10.1
ubuntu/dotnet11<11.0.100-11.0.0~rc3-0ubuntu1~26.10.1
11.0.100-11.0.0~rc3-0ubuntu1~26.10.1
ubuntu/dotnet10<10.0.114-10.0.14-0ubuntu1~26.04.1
10.0.114-10.0.14-0ubuntu1~26.04.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/dotnet8 to a version that resolves this vulnerability.

    Fixed in 8.0.133-8.0.33-0ubuntu1~22.04.1
  2. Upgrade

    Upgrade ubuntu/dotnet10 to a version that resolves this vulnerability.

    Fixed in 10.0.114-10.0.14-0ubuntu1~24.04.1
  3. Upgrade

    Upgrade ubuntu/dotnet8 to a version that resolves this vulnerability.

    Fixed in 8.0.133-8.0.33-0ubuntu1~24.04.1
  4. Upgrade

    Upgrade ubuntu/dotnet10 to a version that resolves this vulnerability.

    Fixed in 10.0.114-10.0.14-0ubuntu1~26.10.1
  5. Upgrade

    Upgrade ubuntu/dotnet11 to a version that resolves this vulnerability.

    Fixed in 11.0.100-11.0.0~rc3-0ubuntu1~26.10.1
  6. Upgrade

    Upgrade ubuntu/dotnet10 to a version that resolves this vulnerability.

    Fixed in 10.0.114-10.0.14-0ubuntu1~26.04.1

Event History

Oct 26, 2026
CVE Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Which Ubuntu .NET package lines are identified as affected?

The affected package lines are ubuntu/dotnet6, ubuntu/dotnet8, ubuntu/dotnet10, and ubuntu/dotnet11.

2

Does exploitation require an attacker to already have local access?

Yes. The issue is described as exploitable by a local attacker, rather than identifying a remote attack path.

Contact

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