Heap-based buffer overflow in textbox.c in newt 0.51.5, 0.51.6, and 0.52.2 allows local users to cause a denial of service (application crash) or possibly execute arbitrary code via a request to display a crafted text dialog box.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.