Todd Miller's sudo version 1.8.20p1 and earlier is vulnerable to an input validation (embedded newlines) in the getprocessttyname() function resulting in information disclosure and command execution.
{
"versions": [
{
"introduced": "0"
},
{
"last_affected": "1.8.20"
},
{
"introduced": "0"
},
{
"last_affected": "1.8.20-p1"
}
]
}