CVE-2015-7541

colorscore Gem for Ruby lib/colorscore/histogram.rb Arbitrary Command Injection

Published 8 Jan 2016Modified 6 May 2026CWE 77

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

GHSA10.0CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA, Ruby Advisory DB.

Description

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.

Affected packages and fixed versions

Source	Package	Fixed in
rubygems::GitHub Security Advisory RubyGems	colorscore	0.0.5
rubygems::Ruby Advisory Database	colorscore	>= 0.0.5

References

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