CVE-2021-21946

Two heap-based buffer overflow vulnerabilities exists in the JPEG-JFIF lossless Huffman image parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger these vulnerabilities.This heap-based...

CVE-2021-21946

CVE-2021-21946 affects Accusoft ImageGear 19.10’s JPEG-JFIF lossless Huffman image parser. The vulnerability arises in process_jpeg_lossless (and buffer allocation in allocate_buffer_for_jpeg_decoding) where per-component buffers are sized via a formula (standardized_width = (X_image * subsamplin...