libjpeg null pointer dereference vulnerability (CNVD-2021-73922)

libjpeg is a free library written entirely in C to handle the JPEG image data format. libjpeg 2020021 and earlier versions of blockbitmaprequester.cpp contain the BlockBitmapRequester::PushReconstructedData function. is vulnerable to a null pointer dereference. An attacker could exploit this...