The package mathjs before 7.5.1 are vulnerable to Prototype Pollution via the deepExtend function that runs upon configuration updates.
github.com/josdejong/mathjs/blob/develop/HISTORY.md#2020-10-10-version-751
github.com/josdejong/mathjs/blob/develop/src/utils/object.js%23L82
github.com/josdejong/mathjs/commit/ecb80514e80bce4e6ec7e71db8ff79954f07c57e
nvd.nist.gov/vuln/detail/CVE-2020-7743
snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1017113
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1017112
snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1017111
snyk.io/vuln/SNYK-JS-MATHJS-1016401
www.npmjs.com/package/mathjs