CVE-2016-4301

Publication date 21 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Stack-based buffer overflow in the parse_device function in archive_read_support_format_mtree.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a crafted mtree file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libarchive	16.04 LTS xenial	Not affected
	15.10 wily	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

mdeslaur

introduced after 3.1.2

Patch details

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

Package	Patch details
libarchive	Upstream: a550dae

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.8 · High

Base metrics

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

Scores

Parameter	Value
Base score	7.8 · High
Exploitability score	-
Impact score	-

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