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Published 20 hours ago • verified publisher icon TwilioDevEd

[Security] Bump jinja2 from 2.11.2 to 2.11.3

Open dependabot-preview[bot] opened this issue 4 years ago • 1 comments

Bumps jinja2 from 2.11.2 to 2.11.3.

Release notes

Sourced from jinja2's releases.

2.11.3

This contains a fix for a speed issue with the urlize filter. urlize is likely to be called on untrusted user input. For certain inputs some of the regular expressions used to parse the text could take a very long time due to backtracking. As part of the fix, the email matching became slightly stricter. The various speedups apply to urlize in general, not just the specific input cases.

Changelog

Sourced from jinja2's changelog.

Version 2.11.3

Released 2021-01-31

  • Improve the speed of the urlize filter by reducing regex backtracking. Email matching requires a word character at the start of the domain part, and only word characters in the TLD. 1343
Commits

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dependabot-preview[bot] avatar Mar 08 '21 05:03 dependabot-preview[bot]

We've just been alerted that this update fixes a security vulnerability:

Sourced from The GitHub Security Advisory Database.

Regular Expression Denial of Service (ReDoS)

This affects the package jinja2 from 0.0.0 and before 2.11.3. The ReDOS vulnerability of the regex is mainly due to the sub-pattern [a-zA-Z0-9.-]+.[a-zA-Z0-9.-]+ This issue can be mitigated by Markdown to format user content instead of the urlize filter, or by implementing request timeouts and limiting process memory.

Affected versions: ["< 2.11.3"]

dependabot-preview[bot] avatar Mar 19 '21 21:03 dependabot-preview[bot]