CVE-2018-1000101
Mingw-w64 version 5.0.3 and earlier contains an Improper Null Termination (CWE-170) vulnerability in mingw-w64-crt (libc)->(v)snprintf that can result in The bug may be used to corrupt subsequent string functions. This attack appear to be exploitable via Depending on the usage, worst case: network.
Source: CVE-2018-1000101