In libImaging/PcxDecode.c in Pillow before 7.1.0, an out-of-bounds read can occur when reading PCX files where state->shuffle is instructed to read beyond state->buffer.
{
"cpes": [
"cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*"
],
"severity": "Medium"
}