json-bigint@0.1.4 vulnerabilities

JSON.parse with bigints support

Direct Vulnerabilities

Known vulnerabilities in the json-bigint package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Prototype Pollution

json-bigint is a JSON.parse with bigints support

Affected versions of this package are vulnerable to Prototype Pollution via the parse function.


const JSONbig = require('json-bigint')
const json = '{"__proto__":1000000000000000,"c":{"__proto__":[],"length":1e200}}'
const r = JSONbig.parse(json)

How to fix Prototype Pollution?

Upgrade json-bigint to version 1.0.0 or higher.