.NET Core February 2019 Updates – 1.0.14, 1.1.11, 2.1.8 and 2.2.2

Lee Coward

Today, we are releasing the .NET Core February 2019 Update. These updates contain security and reliability fixes. See the individual release notes for details on included reliability fixes.


Microsoft Security Advisory CVE-2019-0657: .NET Core Domain Spoofing Vulnerability

A domain spoofing vulnerability exists in .NET Framework and .NET Core which causes the meaning of a URI to change when International Domain Name encoding is applied. An attacker who successfully exploited the vulnerability could redirect a URI. This issue effects .NET Core 1.0, 1.1 2.1 and 2.2.

The security update addresses the vulnerability by not allowing certain Unicode characters from the URI.

Getting the Update

The latest .NET Core updates are available on the .NET Core download page. This update is also included in the Visual Studio 15.0.21 (.NET Core 1.0 and 1.1) and 15.9.7 (.NET Core 1.0, 1.1 and 2.1) updates, which is also releasing today.

See the .NET Core release notes ( 1.0.14 | 1.1.11 | 2.1.8 | 2.2.2 ) for details on the release including a issues fixed and affected packages.

Docker Images

.NET Docker images have been updated for today’s release. The following repos have been updated.

microsoft/dotnet (includes the latest aspnetcore release) microsoft/dotnet-samples microsoft/aspnetcore (aspnetcore version 1.0 and 1.1)

Note: Look at the “Tags” view in each repository to see the updated Docker image tags.

Note: You must re-pull base images in order to get updates. The Docker client does not pull updates automatically.

Azure App Services deployment

2019-02-25 UPDATE: Azure App Services deployment has completed to all regions.

Lifecycle Information

The following lifecycle documents describe Microsoft support policies and should be consulted to ensure that you are using supported .NET Core versions.

1 comment

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  • Michael Gray 0

    Has .net core 2.2.2 been deployed to the App Services yet? Specifically UK West and U.K. South?

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