A NULL pointer dereference in the component /libsrc/dcrleccd.cc of DCMTK v3.6.9+ DEV allows attackers to cause a Denial of Service (DoS) via a crafted DICOM file.
https://github.com/DCMTK/dcmtk/commit/bffa3e9116abb7038b432443f16b1bd390e80245
https://git.dcmtk.org/?p=dcmtk.git;a=commit;h=bffa3e9116abb7038b432443f16b1bd390e80245