What’s Vulnerable › Vulnerabilities

CVE-2019-13574

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-07-12 · updated 2026-06-17
• Weakness: CWE-78

Description

In lib/mini_magick/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.

Affected products

• Debian Linux: 9.0, 10.0
• Minimagick Project Minimagick: before 4.9.4 — fixed in 4.9.4

How to fix

Upgrade to a fixed version: Minimagick Project Minimagick 4.9.4. Check the vendor advisory for mitigations.

References

• https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-mini_magick-version-4-9-4/
• https://github.com/minimagick/minimagick/commit/4cd5081e58810d3394d27a67219e8e4e0445d851
• https://github.com/minimagick/minimagick/compare/d484786...293f9bb
• https://github.com/minimagick/minimagick/releases/tag/v4.9.4
• https://lists.debian.org/debian-lts-announce/2019/10/msg00007.html
• https://seclists.org/bugtraq/2019/Jul/20
• https://www.debian.org/security/2019/dsa-4481
• https://benjamin-bouchet.com/blog/vulnerabilite-dans-la-gem-mini_magick-version-4-9-4/
• https://github.com/minimagick/minimagick/commit/4cd5081e58810d3394d27a67219e8e4e0445d851
• https://github.com/minimagick/minimagick/compare/d484786...293f9bb
• https://github.com/minimagick/minimagick/releases/tag/v4.9.4
• https://lists.debian.org/debian-lts-announce/2019/10/msg00007.html

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