It was discovered that the is-my-json-valid JavaScript library used an inefficient regular expression to validate JSON fields defined to have email format. A specially crafted JSON file could cause it to consume an excessive amount of CPU time when validated.
[
{
"product": "nodejs-is-my-json-valid",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "is-myjson-valid 2.17.2, is-myjson-valid 1.4.1"
}
]
}
]