Add exponential ReDoS in NuGet package manager

A new version of NuGetGallery has just been released.

Author: b-c-ds

README.md

@@ -162,6 +162,7 @@ regexploit-csharp something.cs
 * [bpo-38804: cpython's http.cookiejar](https://github.com/python/cpython/pull/17157) (Set-Cookie header parsing)
 * [SimpleCrawler (archived)](https://doyensec.com/resources/Doyensec_Advisory_simplecrawler_redos.pdf) (HTML parsing)
 * [CVE-2021-28092: is-svg](https://github.com/sindresorhus/is-svg/commit/01f8a087fab8a69c3ac9085fbb16035907ab6a5b) (SVG parsing)
+* [nuget.org, NuGetGallery](https://github.com/NuGet/NuGetGallery/commit/25d2d3b32b2d9f0b1ca6e0a105b0210c2c4820f4) and [NuGet.Client](https://github.com/NuGet/NuGet.Client/commit/a0671e946ce71dc59def5cc8a67c6457d66f33bf) (Parsing NuGet package IDs)
 * Plus unpublished bugs in a handful of pypi, npm, ruby and nuget packages
 
 ## Credits