Pillow before 8.1.2 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for an ICO container, and thus an attempted memory allocation can be very large.
{
"cpes": [
"cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*"
],
"severity": "High"
}