[ANN] Rack versions 1.6.11 and 2.0.6 have been released!

[Aaron Patterson]

Hi everyone,

Rack versions 1.6.11 and 2.0.6 have been released. Both of these releases
contain important security fixes, and you should upgrade!

Rack version 1.6.11 contains fixes for:

* [CVE-2018-16470] Possible DoS vulnerability in Rack
* [CVE-2018-16471] Possible XSS vulnerability in Rack

Rack version 2.0.6 contains a fix for:

* [CVE-2018-16470] Possible DoS vulnerability in Rack

The gem checksums are:

```
$ sha1sum *
64a0cd32f46c0ff44ffda4055048fe6309903110 rack-1.6.11.gem
b15267e1f94e69238a00a6f1bd48fb7683c03a78 rack-2.0.6.gem
```

You can read more about CVE-2018-16470 here:

https://groups.google.com/forum/#!topic/ruby-security-ann/Dz4sRl-ktKk

You can read more about CVE-2018-16471 here:

https://groups.google.com/forum/#!topic/ruby-security-ann/NAalCee8n6o

Thanks for reading and have a good day!