CVE-2016-7176

Publication date 9 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

epan/dissectors/packet-h225.c in the H.225 dissector in Wireshark 2.x before 2.0.6 calls snprintf with one of its input buffers as the output buffer, which allows remote attackers to cause a denial of service (copy overlap and application crash) via a crafted packet.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
wireshark	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Ignored end of life
	16.10 yakkety	Ignored end of life
	16.04 LTS xenial	Fixed 2.2.6+g32dac6a-2ubuntu0.16.04
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
wireshark	Upstream: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6d8261994bb928b7e80e3a2478a3d939ea1ef373

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.9 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	5.9 · Medium
Exploitability score	-
Impact score	-

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