CVE-2016-2563: Improper Restriction of Operations within the Bounds of a Memory Buffer

Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service stack memory corruption or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request...