chore(deps): update dependency pygments to v2.7.4 [security] - abandoned

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
Pygments (source, changelog)	==2.7.2 -> ==2.7.4

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⚠ Dependency Lookup Warnings ⚠

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GitHub Vulnerability Alerts

CVE-2021-27291

In pygments 1.1+, fixed in 2.7.4, the lexers used to parse programming languages rely heavily on regular expressions. Some of the regular expressions have exponential or cubic worst-case complexity and are vulnerable to ReDoS. By crafting malicious input, an attacker can cause a denial of service.

CVE-2021-20270

An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the "exception" keyword.

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Release Notes

pygments/pygments

v2.7.4

Compare Source

(released January 12, 2021)

• Updated lexers:

  • Apache configurations: Improve handling of malformed tags (#​1656)

  • CSS: Add support for variables (#​1633, #​1666)

  • Crystal (#​1650, #​1670)

  • Coq (#​1648)

  • Fortran: Add missing keywords (#​1635, #​1665)

  • Ini (#​1624)

  • JavaScript and variants (#​1647 -- missing regex flags, #​1651)

  • Markdown (#​1623, #​1617)

  • Shell

    • Lex trailing whitespace as part of the prompt (#​1645)
    • Add missing in keyword (#​1652)

  • SQL - Fix keywords (#​1668)

  • Typescript: Fix incorrect punctuation handling (#​1510, #​1511)

• Fix infinite loop in SML lexer (#​1625), CVE-2021-20270 <https://nvd.nist.gov/vuln/detail/CVE-2021-20270>_

• Fix backtracking string regexes in JavaScript/TypeScript, Modula2 and many other lexers (#​1637) CVE-2021-27291 <https://nvd.nist.gov/vuln/detail/CVE-2021-27291>_

• Limit recursion with nesting Ruby heredocs (#​1638)

• Fix a few inefficient regexes for guessing lexers

• Fix the raw token lexer handling of Unicode (#​1616)

• Revert a private API change in the HTML formatter (#​1655) -- please note that private APIs remain subject to change!

• Fix several exponential/cubic-complexity regexes found by Ben Caller/Doyensec (#​1675)

• Fix incorrect MATLAB example (#​1582)

Thanks to Google's OSS-Fuzz project for finding many of these bugs.

v2.7.3

Compare Source

(released December 6, 2020)

• Updated lexers:

  • Ada (#​1581)
  • HTML (#​1615, #​1614)
  • Java (#​1594, #​1586)
  • JavaScript (#​1605, #​1589, #​1588)
  • JSON (#​1569 -- this is a complete rewrite)
  • Lean (#​1601)
  • LLVM (#​1612)
  • Mason (#​1592)
  • MySQL (#​1555, #​1551)
  • Rust (#​1608)
  • Turtle (#​1590, #​1553)

• Deprecated JsonBareObjectLexer, which is now identical to JsonLexer (#​1600)

• The ImgFormatter now calculates the exact character width, which fixes some issues with overlapping text (#​1213, #​1611)

• Documentation fixes (#​1609, #​1599, #​1598)

• Fixed duplicated Juttle language alias (#​1604, #​1606)

• Added support for Kotlin scripts (#​1587)

• Removed CSS rule which forced margin to 0

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