# Release Notes

## .NET Core May 2017 Update - 1.1.2 Released 5/8/2017

[.NET Core 1.1.2](https://github.com/dotnet/core/blob/master/release-notes/1.1/1.1.2.md) was released today. Both releases include reliability updates to improve the quality of .NET Core. You can download the .NET Core Runtime releases via our [.NET Core Runtimes download page](https://www.microsoft.com/net/download/core#/runtime). If you are looking for the .NET Core SDK, to get the latest tools, try the [.NET Core SDK download page](https://www.microsoft.com/net/download/core#/sdk).

Have a look at the [.NET announcement blog post](https://blogs.msdn.microsoft.com/dotnet/) for details and context around the release.

### .NET Core SDK 1.0.4

**.NET Core SDK 1.0.4** is available for download from the [.NET Core download page](https://www.microsoft.com/net/download/core).

### Docker Image Name Changes

The latest .NET Core runtime and tools are available from [Docker](https://hub.docker.com/r/microsoft/dotnet/) in the following Docker SDK images:

* 1.0.5-sdk
* 1.0.5-sdk-nanoserver
* 1.1.2-sdk
* 1.1.2-sdk-nanoserver

You can also use the .NET For runtime images, which contain the latest runtime updates:

* 1.0.5-runtime
* 1.0.5-runtime-nanoserver
* 1.1.2-runtime
* 1.1.2-runtime-nanoserver

### .NET Core 1.1.2 Symbol Packages

Symbol packages for .NET 1.1.2 are available for download from the following locations.

* [CoreCLR](https://go.microsoft.com/fwlink/?LinkID=848802)
* [CoreFX](https://go.microsoft.com/fwlink/?LinkID=848806)

### ASP.NET Core

* Please see the [ASP.NET Core release page](https://github.com/aspnet/home/releases/1.1.2) for details on fixes from ASP.NET Core, MVC, Entity Framework Core and others.

### Closed Issues for 1.1.2

#### CoreCLR

* [`[640a13cae]`](https://github.com/dotnet/coreclr/commit/640a13cae) Fix debugging on OS X Sierra (#10078) (#10103)
* [`[dafae2f23]`](https://github.com/dotnet/coreclr/commit/dafae2f23) GetAllocatedBytesForCurrentThread unpredictably returns inaccurate values (#10277)
* [`[8123965bc]`](https://github.com/dotnet/coreclr/commit/8123965bc) Eliminate EncodingForwarder performance impact (#10805)

#### CoreFX

* [`[9933227ad9]`](https://github.com/dotnet/corefx/commit/9933227ad9) [HttpClient perf] Ensure CURLOPT_TCP_NODELAY is set by CurlHandler (#16895)
* [`[47d83388b3]`](https://github.com/dotnet/corefx/commit/47d83388b3) Add Xamarin support to System.ValueTuple package (#16447)
* [`[8d774a8244]`](https://github.com/dotnet/corefx/commit/8d774a8244) Update AspNetCoreHosting keyword (#16477) 
* [`[ed4a5c8b97]`](https://github.com/dotnet/corefx/commit/ed4a5c8b97) Adding updates to packages to update SqlClient in the 1.1.x release (#17635)
* [`[Microsoft Common Vulnerabilities and Exposures CVE-2017-0248]`](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0248) Fix for a security feature bypass vulnerability  when .NET Core components do not completely validate certificates.
* [`[Microsoft Common Vulnerabilities and Exposures CVE-2017-0247]`](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0247) .NET Core HTML Encode Unicode Multibyte Vulnerability (System.Text.Encodings.Web) - this is not part of Shared Framework.

### ASP.NET Core

* Please see the [ASP.NET Core release page](https://github.com/aspnet/home/releases/1.1.2) for details on fixes from ASP.NET Core, MVC, Entity Framework Core and others.