The merge.recursive function in the merge package <1.2.1 can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects allowing for a denial of service attack.
{ "versions": [ { "introduced": "0" }, { "fixed": "1.2.1" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-16469.json"