CVE-2016-7166

Publication date 21 September 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

libarchive before 3.2.0 does not limit the number of recursive decompressions, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a crafted gzip file.

Status

Package Ubuntu Release Status
libarchive 16.10 yakkety
Not affected
16.04 LTS xenial
Fixed 3.1.2-11ubuntu0.16.04.3
14.04 LTS trusty
Fixed 3.1.2-7ubuntu2.4
12.04 LTS precise
Fixed 3.0.3-6ubuntu1.4

Patch details

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

Package Patch details
libarchive

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3225-1
    • libarchive vulnerabilities
    • 9 March 2017

Other references