Heap-based buffer overflow in Windows Journal in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, and Windows 7 SP1 allows remote attackers to execute arbitrary code via a crafted Journal (.jnt) file, aka "Windows Journal Heap Overflow Vulnerability."
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-114