We received a submission of an exploit for Sasser's FTP server. It
appears to be a buffer overflow targeting port 5554 by default. If successful it will spawn a shell. The published exploit code lists the shell listening on port 5300. We are seeing code in the wild using port 53 for the shell.

Sun announced a DOS vulnerability in the JRE today on May 6 which may allow a remote unprivileged user to cause the Java Virtual Machine to become unresponsive

The announcement: http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert%2F57555

SDK and JRE releases are available at: http://java.sun.com/j2se/

SDK and JRE 1.4.2_03 or earlier 1.4.2 releases are affected.

Dan Goldberg Dan at MADJiC dot net