GNU ZRTPCPP before 3.2.0 allows remote attackers to obtain sensitive information (uninitialized heap memory) or cause a denial of service (out-of-bounds read) via a crafted packet, as demonstrated by a truncated Ping packet that is not properly handled by the getEpHash function.
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.