Recursively merge values in a javascript object.

Library home page: https://registry.npmjs.org/merge-deep/-/merge-deep-3.0.2.tgz

Dependency Hierarchy:

• react-scripts-2.0.4.tgz (Root Library)
  • webpack-2.4.1.tgz
    • core-2.4.1.tgz
      • ❌ merge-deep-3.0.2.tgz (Vulnerable Library)

Found in HEAD commit: 2a075b2841fc2373e24ed2ea65ffde43a262c54c

The merge-deep library before 3.0.3 for Node.js can be tricked into overwriting properties of Object.prototype or adding new properties to it. These properties are then inherited by every object in the program, thus facilitating prototype-pollution attacks against applications using this library.

Publish Date: 2021年06月02日

URL: CVE-2021-26707

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High

Type: Upgrade version

Origin: https://bugzilla.redhat.com/show_bug.cgi?id=1922259

Release Date: 2021年06月02日

Fix Resolution: 3.0.3