These are all security issues fixed in the ruby2.2-rubygem-rack-1_4-1.4.7-1.8 package on the GA media of openSUSE Tumbleweed.
{
"binaries": [
{
"ruby2.2-rubygem-rack-testsuite-1_4": "1.4.7-1.8",
"ruby2.2-rubygem-rack-1_4": "1.4.7-1.8",
"ruby2.2-rubygem-rack-doc-1_4": "1.4.7-1.8",
"ruby2.3-rubygem-rack-doc-1_4": "1.4.7-1.8",
"ruby2.3-rubygem-rack-1_4": "1.4.7-1.8",
"ruby2.3-rubygem-rack-testsuite-1_4": "1.4.7-1.8"
}
]
}