Rapid7

vulnerability

Wireshark : CVE-2017-17997 : MRDISC dissector crash

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Dec 30, 2017
Added
Jan 12, 2018
Modified
Mar 30, 2026

Description

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

Solution

wireshark-upgrade-2_2_12
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.