The DOCSIS dissector in Wireshark 0.9.6 through 1.0.12 and 1.2.0 through 1.2.7 allows user-assisted remote attackers to cause a denial of service (application crash) via a malformed packet trace file.
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.