An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSHMSGCHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "libssh2-1": "1.4.3-2ubuntu0.2+esm2", "libssh2-1-dbgsym": "1.4.3-2ubuntu0.2+esm2", "libssh2-1-dev-dbgsym": "1.4.3-2ubuntu0.2+esm2", "libssh2-1-dbg": "1.4.3-2ubuntu0.2+esm2", "libssh2-1-dev": "1.4.3-2ubuntu0.2+esm2" } ] }
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "libssh2-1": "1.5.0-2ubuntu0.1+esm1", "libssh2-1-dbgsym": "1.5.0-2ubuntu0.1+esm1", "libssh2-1-dev-dbgsym": "1.5.0-2ubuntu0.1+esm1", "libssh2-1-dbg": "1.5.0-2ubuntu0.1+esm1", "libssh2-1-dev": "1.5.0-2ubuntu0.1+esm1" } ] }