python-pillow: Out-of-bounds read in SGI RLE image reader

A flaw was found in python-pillow. There is an Out of Bounds Read in SGIRleDecode.c...

GHSA-P43W-G3C5-G5MQ Out of bounds read in Pillow

An issue was discovered in Pillow before 8.1.1. There is an out-of-bounds read in SGIRleDecode.c...