The is-my-json-valid package before 2.12.4 for Node.js has an incorrect exports['utc-millisec'] regular expression, which allows remote attackers to cause a denial of service (blocked event loop) via a crafted string.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:is_my_json_valid_project:is_my_json_valid:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.12.3"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "eca4beb21e61877d76fdf6bea771f72f39544d9b"
}
],
"source": "REFERENCES_COMMIT"
}
]
}