In libzypp before 20170803 it was possible to retrieve unsigned packages without a warning to the user which could lead to man in the middle or malicious servers to inject malicious RPM packages into a users system.
{
"binaries": [
{
"binary_version": "15.3.0-1build1",
"binary_name": "libzypp"
},
{
"binary_version": "15.3.0-1build1",
"binary_name": "libzypp-bin"
},
{
"binary_version": "15.3.0-1build1",
"binary_name": "libzypp-common"
},
{
"binary_version": "15.3.0-1build1",
"binary_name": "libzypp-config"
},
{
"binary_version": "15.3.0-1build1",
"binary_name": "libzypp-dev"
}
]
}