CVE-2016-4448

Publication date 9 June 2016

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

Description

Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.

Status

Package Ubuntu Release Status
libxml2 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Fixed 2.9.3+dfsg1-1ubuntu0.2
15.10 wily Ignored end of life
14.04 LTS trusty
Fixed 2.9.1+dfsg1-3ubuntu4.9
12.04 LTS precise
Fixed 2.7.8.dfsg-5.1ubuntu4.17

Patch details

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

Package Patch details
libxml2

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3235-1
    • libxml2 vulnerabilities
    • 16 March 2017

Other references