Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

Debian: CVE-2018-7421: wireshark -- security update

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 23, 2018
Added
Jul 30, 2024
Modified
Mar 30, 2026

Description

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.

Solution

debian-upgrade-wireshark
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.