CVE-2026-44038 Global buffer out-of-bounds read in DCMTK JPEG Huffman decoding

A global out-of-bounds read in the Huffman decoder of the bundled IJG JPEG libraries dcmjpeg/libijg8, libijg12 and libijg16 of OFFIS DCMTK 3.7.0 allows an attacker to read memory beyond the extendtest and extendoffset tables, causing incorrectly decoded pixel data or a crash, via a DICOM file wit...