In nDPI through 3.2, the packet parsing code is vulnerable to a heap-based buffer over-read in ndpi_parse_packet_line_info in lib/ndpi_main.c.
https://github.com/ntop/nDPI/commit/61066fb106efa6d3d95b67e47b662de208b2b622
https://github.com/fuzzing2026/CVE-PoCs/tree/main/ndpi-CVE-2020-15471