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CVE-2016-8689

Publication date 15 February 2017

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

The read_Header function in archive_read_support_format_7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service (out-of-bounds read) via multiple EmptyStream attributes in a header in a 7zip archive.

Status

Package Ubuntu Release Status
libarchive 16.10 yakkety
Fixed 3.2.1-2ubuntu0.1
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 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H