In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.
{
"versions": [
{
"introduced": "0"
},
{
"fixed": "8.1.0"
},
{
"introduced": "0"
},
{
"last_affected": "9.0"
}
]
}