Escape sequence injection vulnerability in Fluentd versions 0.12.29 through 0.12.40 may allow an attacker to change the terminal UI or execute arbitrary commands on the device via unspecified vectors.
https://jvn.jp/en/vu/JVNVU95124098/index.html
https://github.com/fluent/fluentd/pull/1733
https://github.com/fluent/fluentd/blob/v0.12/CHANGELOG.md#bug-fixes