Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.
{
"cpes": [
"cpe:2.3:a:python:pillow:*:*:*:*:*:python:*:*"
],
"severity": "Medium"
}