An implementation of Python written in Java.
It was found that Jython is vulnerable to arbitrary code execution by sending a serialized function to the deserializer.
Remote execution of arbitrary code by enticing a user to execute malicious code.
There is no known workaround at this time.
All Jython users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-java/jython-2.7.0-r2"