Say your Java application was deserializing data from a file or network stream and retrieving ... which means inadequately secured .NET applications that deserialize data could pose a risk.

Future attempts to deserialize this instance will succeed ... all of which can be written and saved in a single Java file named Score.java ...

but when the app would deserialize it to use the content of the serialized data, it would also execute additional malicious code on affected systems. The flaw rocked the Java ecosystem in 2016 ...

for Java applications that deserialize objects from untrusted network sources and use libraries such as Apache Commons Collections, Groovy or Spring. Since a number of application servers ...