CVE-2009-0600: Wireshark 0.99.6 through 1.0.5 allows user-assisted remote attackers to cause a denial of service (applicat...

Security readout for executives and security teams

This CVE is a denial-of-service issue in Wireshark 0.99.6 through 1.0.5. If a user opens a malicious Tektronix K12 text capture file, Wireshark can crash. The business impact is mainly disruption to packet-analysis work, not confirmed system takeover. Exposure is most likely where analysts, support teams, or incident responders use old Wireshark versions to inspect untrusted capture files. Modern supported Wireshark deployments are less likely to be affected, but version inventory is needed. Treat this as a targeted operational-risk cleanup, not a crisis. Prioritize teams that open third-party packet captures, especially security operations and support groups, because a crash during analysis can interrupt investigations. Mitigation focus: Identify and remove Wireshark 0.99.6 through 1.0.5 installations.; Check Wireshark and operating-system vendor advisories for the supported fixed package.; Avoid opening untrusted Tektronix K12 text capture files on legacy systems..

Prepared

Jun 28, 2026, 11:23 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.