CVE-2018-18226

HIGH

Wireshark < 2.6.3 - Resource Leak

Title source: rule

Description

In Wireshark 2.6.0 to 2.6.3, the Steam IHS Discovery dissector could consume system memory. This was addressed in epan/dissectors/packet-steam-ihs-discovery.c by changing the memory-management approach.

References (7)

[Patch] https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6e920ddc3cad2886ef07ca1a8e50e2a5c50986f7

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/105583

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1041909

[Issue Tracking, Patch, Vendor Advisory] https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15171

[Third Party Advisory] https://www.debian.org/security/2018/dsa-4359

[Vendor Advisory] https://www.wireshark.org/security/wnpa-sec-2018-48.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html

Scores

CVSS v3 7.5

EPSS 0.0148

EPSS Percentile 80.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-772

Status published

Affected Products (2)

wireshark/wireshark < 2.6.3

debian/debian_linux

Timeline

Published Oct 12, 2018

Tracked Since Feb 18, 2026