There is a heap-based buffer overflow in the function hpelmotion in mpegvideomotion.c in libav 12.1. A crafted input can lead to a remote denial of service attack.
{
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "12.1"
}
]
}