OFFIS DCMTK's (All versions prior to 3.6.7) has a NULL pointer dereference vulnerability while processing DICOM files, which may result in a denial-of-service condition.
https://www.cisa.gov/uscert/ics/advisories/icsma-22-174-01
https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html