The encoding/xml package in Go versions 1.15 and earlier does not correctly preserve the semantics of directives during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.
{
    "severity": "Medium",
    "cpes": [
        "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*"
    ]
}