An issue was discovered in libgig through 20200507. A heap-buffer-overflow exists in the function RIFF::List::GetSubList located in RIFF.cpp. It allows an attacker to cause code Execution.
The gig::Region::Region function in gig.cpp in libgig 4.0.0 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted gig file.