CVE-2014-4020: The dissect_frame function in epan/dissectors/packet-frame.c in the frame metadissector in Wireshark 1.10.x...

Security readout for executives and security teams

CVE-2014-4020 is a Wireshark crash bug. A specially crafted packet can make vulnerable Wireshark 1.10.x versions before 1.10.8 stop working. This is primarily a denial-of-service risk for analysts, monitoring workstations, or automated packet-processing workflows, not evidence of data theft or system takeover. Exposure is most likely where Wireshark 1.10.x before 1.10.8 is installed and used to inspect untrusted captures or live traffic. Systems that automatically process packet captures may face operational disruption if they rely on vulnerable versions. Prioritize remediation where Wireshark is used in security operations or automated traffic analysis. Business impact is service disruption and analyst workflow interruption, with no source-backed evidence here of code execution or active exploitation. Mitigation focus: Upgrade Wireshark 1.10.x installations to 1.10.8 or later supported releases.; Apply operating-system vendor updates where Wireshark is packaged by the distribution.; Avoid opening untrusted packet captures on vulnerable Wireshark installations..

Prepared

Jun 14, 2026, 14:16 UTC (UTC+00:00)

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