CVE-2019-9031: Matio Project Matio

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13. There is a NULL pointer dereference in the function Mat_VarFree() in mat.c.

Affected products

• Matio Project Matio: version 1.5.13 only

Published 2019-02-23. Last modified 2026-06-17.