The corrupt looking images are of the type JPEG 2000. In order to load this libraries JAI must be installed in the Server class path or deployed in the application.
The maven build script can be appended with the follow dependencies.
<repositories>
<repository>
<id>jboss-3rd-party-releases</id>
<url>https://repository.jboss.org/nexus/content/repositories/thirdparty-releases/</url>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>javax.media</groupId>
<artifactId>jai_core</artifactId>
<version>1.1.3</version>
</dependency>
<dependency>
<groupId>com.sun.media</groupId>
<artifactId>jai-codec</artifactId>
<version>1.1.3</version>
</dependency>
<dependency>
<groupId>com.sun.media</groupId>
<artifactId>jai_imageio</artifactId>
<version>1.1</version>
</dependency>
</dependencies>
Workaround with JAI works OK, so the issue can be closed.