Mandriva Linux Security Advisory 2013-045 - Multiple double free flaws, buffer overflow flaws, invalid free flaws, and improper overflow checks in libssh before 0.5.3 could enable a denial of service attack against libssh clients, or possibly arbitrary code execution. Yong Chuan Koh discovered that libssh incorrectly handled certain negotiation requests. A remote attacker could use this to cause libssh to crash, resulting in a denial of service.
b001afcc00872bffb479840552f9f98c8e4a053611dc49aa61aa6b801599a2cb