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arch-inc / fabricjs-psbrush

Fabric.js用の感圧ブラシ実装 / A lightweight pressure-sensitive brush implementation for Fabric.js
https://arch-inc.github.io/fabricjs-psbrush/
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Bump color-string from 1.5.4 to 1.6.0 #29

Closed dependabot[bot] closed 3 years ago

dependabot[bot] commented 3 years ago

Bumps color-string from 1.5.4 to 1.6.0.

Release notes

Sourced from color-string's releases.

1.6.0

Minor release 1.6.0

  • #55 - Add support for space-separated HSL

Thanks @​htunnicliff for the contribution :)

1.5.5 (Patch/Security Release) - hwb() ReDos patch (low-severity)

Release notes copied verbatim from the commit message, which can be found here: 0789e21284c33d89ebc4ab4ca6f759b9375ac9d3

Discovered by Yeting Li, c/o Colin Ife via Snyk.io.

A ReDos (Regular Expression Denial of Service) vulnerability
was responsibly disclosed to me via email by Colin on
Mar 5 2021 regarding an exponential time complexity for
linearly increasing input lengths for hwb() color strings.


Strings reaching more than 5000 characters would see several
milliseconds of processing time; strings reaching more than
50,000 characters began seeing 1500ms (1.5s) of processing time.


The cause was due to a the regular expression that parses
hwb() strings - specifically, the hue value - where
the integer portion of the hue value used a 0-or-more quantifier
shortly thereafter followed by a 1-or-more quantifier.


This caused excessive backtracking and a cartesian scan,
resulting in exponential time complexity given a linear
increase in input length.


Thank you Yeting Li and Colin Ife for bringing this to my
attention in a secure, responsible and professional manner.


A CVE will not be assigned for this vulnerability.

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dependabot[bot] commented 3 years ago

OK, I won't notify you again about this release, but will get in touch when a new version is available. If you'd rather skip all updates until the next major or minor version, let me know by commenting @dependabot ignore this major version or @dependabot ignore this minor version.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.