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Fix NewDateRegex in StringExtensions #1556 #1557

merged 2 commits into from May 5, 2021


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@b-c-ds b-c-ds commented Feb 16, 2021


Fixes #1556.

I think it should be a non-breaking change. Feel free to edit this PR as I don't usually do .NET development.


This pull request is a:

  • Bugfix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)


  • I have added tests that prove my fix is effective or that my feature works
  • I have added necessary documentation (if appropriate)

b-c-ds added 2 commits Feb 16, 2021
Previously it had exponential worst-case complexity and was vulnerable to REDoS.
@alexeyzimarev alexeyzimarev merged commit be39346 into restsharp:dev May 5, 2021
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Successfully merging this pull request may close these issues.

CVE-2021-27293: Fix NewDateRegex
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