CVE-2015-7541

10.0 CRITICAL 4% exploit odds Fix listed Injection Library

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 3.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2016-01-08 21:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:32 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.5% in the next 30 days (EPSS).
Severity: 10.0 CRITICAL (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2016-01-08 21:59 UTC
Last modified: 2026-06-17 00:32 UTC
Exploit probability: 3.5% · EPSS, next 30 days
Weakness: CWE-77 · Command injection
Record status: Modified

Affected

Colorscore Project Colorscore ≤ 0.0.4

Attack profile CVSS 3.0 · 10.0

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-7541.md and follow it. Check whether this project is affected by CVE-2015-7541. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record