Security Advisory

CVE-2015-5309

4.3

Vulnerability Description

Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.
Published Date December 7, 2015
Official Source NIST NVD Advisory