The LDAP dissector in Wireshark (formerly Ethereal) 0.99.2 through 0.99.8 allows remote attackers to cause a denial of service (application crash) via a malformed packet, a different vulnerability than CVE-2006-5740.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.