Due to unbounded aliasing, a crafted YAML file can cause consumption of significant system resources. If parsing user supplied input, this may be used as a denial of service vector.
{
"url": "https://pkg.go.dev/vuln/GO-2020-0036",
"review_status": "REVIEWED"
}{
"imports": [
{
"symbols": [
"Decoder.Decode",
"Unmarshal",
"UnmarshalStrict",
"yaml_parser_decrease_flow_level",
"yaml_parser_fetch_more_tokens",
"yaml_parser_fetch_stream_start",
"yaml_parser_fetch_value",
"yaml_parser_remove_simple_key",
"yaml_parser_save_simple_key"
],
"path": "gopkg.in/yaml.v2"
}
]
}
{
"imports": [
{
"symbols": [
"Decoder.Decode",
"Unmarshal",
"UnmarshalStrict",
"yaml_parser_decrease_flow_level",
"yaml_parser_fetch_more_tokens",
"yaml_parser_fetch_stream_start",
"yaml_parser_fetch_value",
"yaml_parser_remove_simple_key",
"yaml_parser_save_simple_key"
],
"path": "github.com/go-yaml/yaml"
}
]
}