Affected versions of this package are vulnerable to Improper Neutralization via the handling of SMTP message input. An attacker can inject arbitrary SMTP commands by supplying specially crafted input containing carriage return and line feed characters.
Note:
This is only exploitable if the provided dependency org.eclipse.angus:smtp is used.
Remediation
Upgrade org.eclipse.angus:angus-mail to version 2.0.4 or higher.