CVE-2014-4020: Wireshark

Medium severity, CVSS 4.3. EPSS: 1.4% chance of exploitation in the next 30 days.

The dissect_frame function in epan/dissectors/packet-frame.c in the frame metadissector in Wireshark 1.10.x before 1.10.8 interprets a negative integer as a length value even though it was intended to represent an error condition, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Affected products

• Wireshark Wireshark: version 1.10.0 only; version 1.10.1 only; version 1.10.2 only; version 1.10.3 only; version 1.10.4 only; version 1.10.5 only; …

Published 2014-06-18. Last modified 2026-06-17.