Shibboleth XMLTooling before 3.2.4, as used in OpenSAML and Shibboleth Service Provider, allows SSRF via a crafted KeyInfo element. (This is fixed in, for example, Shibboleth Service Provider 3.4.1.3 on Windows.)
{
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libxmltooling-dev",
"binary_version": "1.5.6-2ubuntu0.3+esm1"
},
{
"binary_name": "libxmltooling6v5",
"binary_version": "1.5.6-2ubuntu0.3+esm1"
},
{
"binary_name": "xmltooling-schemas",
"binary_version": "1.5.6-2ubuntu0.3+esm1"
}
]
}