Arbitrary Code Execution Affecting gifsicle package, versions <1.90



    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.35% (72nd percentile)
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9.8 critical

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  • Snyk ID npm:gifsicle:20170810
  • published 21 Feb 2018
  • disclosed 10 Aug 2017
  • credit Unknown

How to fix?

Upgrade gifsicle to version 1.90 or higher.


gifsicle is a package that manipulates GIF image files in many different ways.

Affected versions of this package are vulnerable to Arbitrary Code Execution. Use-after-free in the read_gif function may result in potential code execution.