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High, CVSS 7.8

OS Command Injection in MiniMagick

CVE-2019-13574GHSA-r7j3-vvh2-xrpj

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (mini_magick 4.9.4), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.8 · CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
  • CVE-2019-13574: 7.64% estimated exploitation activity in the next 30 days; percentile 94.58 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

In lib/minimagick/image.rb in MiniMagick before 4.9.4, a fetched remote image filename could cause remote command execution because Image.open input is directly passed to Kernel#open, which accepts a | character followed by a command.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-r7j3-vvh2-xrpj

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2019-13574

Advisory: OS Command Injection in MiniMagick
IDs: CVE-2019-13574, GHSA-r7j3-vvh2-xrpj
Record: https://patchnext.com/advisories/cve-2019-13574 (revision 1, source checked 26 Oct 2026, 15:47 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.8)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: mini_magick 4.9.4. A vendor fix does not mean a deployment is fixed.

## Affected components
- RubyGems mini_magick: affected < 4.9.4; fixed in 4.9.4

## Suggested inspection (read-only)
- RubyGems mini_magick: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on mini_magick.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-r7j3-vvh2-xrpj (GitHub-reviewed advisory GHSA-r7j3-vvh2-xrpj lists affected ranges: RubyGems mini_magick >=0 <4.9.4)

Commands are suggestions: review each one before running it.

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