UBUNTU-CVE-2026-114149: High severity ubuntu/dotnet6 vulnerability

Published Nov 10, 2026
·
Updated

Multipart form processing can bypass the configured header-count limit and consume excessive resources.

Affected Software

7 affected componentsFixes available
ubuntu/dotnet6*
ubuntu/dotnet8<8.0.134-8.0.34-0ubuntu1~22.04.1
8.0.134-8.0.34-0ubuntu1~22.04.1
ubuntu/dotnet10<10.0.115-10.0.15-0ubuntu1~24.04.1
10.0.115-10.0.15-0ubuntu1~24.04.1
ubuntu/dotnet8<8.0.134-8.0.34-0ubuntu1~24.04.1
8.0.134-8.0.34-0ubuntu1~24.04.1
ubuntu/dotnet10<10.0.115-10.0.15-0ubuntu1~26.10.1
10.0.115-10.0.15-0ubuntu1~26.10.1
ubuntu/dotnet11<11.0.100-11.0.0-0ubuntu1~26.10.1
11.0.100-11.0.0-0ubuntu1~26.10.1
ubuntu/dotnet10<10.0.115-10.0.15-0ubuntu1~26.04.1
10.0.115-10.0.15-0ubuntu1~26.04.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 8.0.134-8.0.34-0ubuntu1~22.04.1
  2. Upgrade

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

    Fixed in 10.0.115-10.0.15-0ubuntu1~24.04.1
  3. Upgrade

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

    Fixed in 8.0.134-8.0.34-0ubuntu1~24.04.1
  4. Upgrade

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

    Fixed in 10.0.115-10.0.15-0ubuntu1~26.10.1
  5. Upgrade

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

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

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

    Fixed in 10.0.115-10.0.15-0ubuntu1~26.04.1

Event History

Nov 10, 2026
CVE Published
via OSV·12:00 AM
Data Sourced
via OSV·12:00 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Who can exploit this issue?

An attacker able to send multipart form requests to an affected service can exploit it remotely. No privileges or user interaction are required.

2

What is the likely impact?

The issue can consume excessive resources and cause a denial of service. The provided severity vector indicates no confidentiality or integrity impact.

3

Which Ubuntu packages are identified as affected?

The affected software list includes ubuntu/dotnet6, ubuntu/dotnet8, ubuntu/dotnet10, and ubuntu/dotnet11.

Contact

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