The asn1checkidentifier function in GNU Libtasn1 through 4.12 causes a NULL pointer dereference and crash when reading crafted input that triggers assignment of a NULL value within an asn1node structure. It may lead to a remote denial of service attack.
{
"cpe": "cpe:2.3:a:gnu:libtasn1:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.12"
}
],
"source": "CPE_RANGE"
}