An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a stack-based buffer over-read for the "Rank and Dimension" feature in the function ReadNextCell() in mat5.c.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-9033.json"