A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF 1.23.4 in function pnm_binary_read_image() of load-pnm.c when span equals zero.
https://github.com/dongyuma/sox-defects/blob/main/mupdf-defects.md
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-55826