Synopsis
The remote Debian host is missing a security-related update.
Description
It was discovered that the PatternSyntaxException class in the Concurrency component of OpenJDK, an implementation of the Oracle Java platform could result in denial of service via excessive memory consumption.
Solution
Upgrade the openjdk-8 packages.
For the stable distribution (stretch), this problem has been fixed in version 8u181-b13-1~deb9u1.