CVE-2016-7923

Publication date 27 January 2017

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

The ARP parser in tcpdump before 4.9.0 has a buffer overflow in print-arp.c:arp_print().

Status

Show unmaintained releases

Package	Ubuntu Release	Status
tcpdump	16.10 yakkety	Fixed 4.9.0-1ubuntu1~ubuntu16.10.1
	16.04 LTS xenial	Fixed 4.9.0-1ubuntu1~ubuntu16.04.1
	14.04 LTS trusty	Fixed 4.9.0-1ubuntu1~ubuntu14.04.1
	12.04 LTS precise	Fixed 4.9.0-1ubuntu1~ubuntu12.04.1

Severity score breakdown

Parameter	Value
Base score	9.8 · Critical
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3205-1
tcpdump vulnerabilities
21 February 2017

Other references