The initialize method in the Histogram class in lib/colorscore/histogram.rb in the colorscore gem before 0.0.5 for Ruby allows context-dependent attackers to execute arbitrary code via shell metacharacters in the (1) image_path, (2) colors, or (3) depth variable.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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