[Security] Bump urllib3 from 1.26.4 to 1.26.5

[dependabot-preview[bot]]

Bumps urllib3 from 1.26.4 to 1.26.5. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Catastrophic backtracking in URL authority parser when passed URL containing many @ characters

Impact

When provided with a URL containing many @ characters in the authority component the authority regular expression exhibits catastrophic backtracking causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.

Patches

The issue has been fixed in urllib3 v1.26.5.

References

• CVE-2021-33503
• urllib3 v1.26.5

For more information

If you have any questions or comments about this advisory:

• Ask in our community Discord
• Email sethmichaellarson@gmail.com

Affected versions: < 1.26.5

Release notes

Sourced from urllib3's releases.

1.26.5

:warning: IMPORTANT: urllib3 v2.0 will drop support for Python 2: Read more in the v2.0 Roadmap

• Fixed deprecation warnings emitted in Python 3.10.
• Updated vendored six library to 1.16.0.
• Improved performance of URL parser when splitting the authority component.

If you or your organization rely on urllib3 consider supporting us via GitHub Sponsors

Changelog

Sourced from urllib3's changelog.

1.26.5 (2021-05-26)

• Fixed deprecation warnings emitted in Python 3.10.
• Updated vendored six library to 1.16.0.
• Improved performance of URL parser when splitting the authority component.

Commits

• d161647 Release 1.26.5
• 2d4a3fe Improve performance of sub-authority splitting in URL
• 2698537 Update vendored six to 1.16.0
• 07bed79 Fix deprecation warnings for Python 3.10 ssl module
• d725a9b Add Python 3.10 to GitHub Actions
• 339ad34 Use pytest==6.2.4 on Python 3.10+
• f271c9c Apply latest Black formatting
• 1884878 [1.26] Properly proxy EOF on the SSLTransport test suite
• See full diff in compare view

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[dependabot-preview[bot]]

Looks like urllib3 is up-to-date now, so this is no longer needed.