CVE-2012-4559: Undefined Security Weakness

Multiple double free vulnerabilities in the 1 agentsigndata function in agent.c, 2 channelrequest function in channels.c, 3 sshuserauthpubkey function in auth.c, 4 sftpparseattr3 function in sftp.c, and 5 trypublickeyfromfile function in keyfiles.c in libssh before 0.5.3 allow remote attackers to...