The phpurlparseex function in ext/standard/url.c in PHP before 5.5.38 allows remote attackers to cause a denial of service (buffer over-read) or possibly have unspecified other impact via vectors involving the smartstr data type.
{
"cpe": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "5.5.37"
}
],
"source": "CPE_FIELD"
}