ethereal -- multiple protocol dissectors vulnerabilities

An Ethreal Security Advisories reports:

Issues have been discovered in the following protocol
dissectors:

The COPS dissector could go into an infinite
loop. CVE: CAN-2005-0006
The DLSw dissector could cause an assertion. CVE:
CAN-2005-0007
The DNP dissector could cause memory corruption. CVE:
CAN-2005-0008
The Gnutella dissector could cuase an assertion. CVE:
CAN-2005-0009
The MMSE dissector could free statically-allocated
memory. CVE: CAN-2005-0010
The X11 dissector is vulnerable to a string buffer
overflow. CVE: CAN-2005-0084

Impact: It may be possible to make Ethereal crash or run
arbitrary code by injecting a purposefully malformed
packet onto the wire or by convincing someone to read a
malformed packet trace file.