An issue was discovered in Poppler 0.74.0. A recursive function call in JBIG2Stream::readTextRegion() located in JBIG2Stream.cc can be triggered by sending a crafted pdf file to (for example) the pdfimages binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. This is related to JBIG2Bitmap::clearToZero.