Home / mailingsPDF  

[USN-3067-1] HarfBuzz vulnerabilities

Posted on 24 August 2016
Ubuntu Security

==========================
==========================
========================
Ubuntu Security Notice USN-3067-1
August 24, 2016

harfbuzz vulnerabilities
==========================
==========================
========================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

HarfBuzz could be made to crash or run programs as your login if it
processed specially crafted data.

Software Description:
- harfbuzz: OpenType text shaping engine

Details:

Kostya Serebryany discovered that HarfBuzz incorrectly handled memory. A
remote attacker could use this issue to cause HarfBuzz to crash, resultin=
g
in a denial of service, or possibly execute arbitrary code. (CVE-2015-894=
7)

It was discovered that HarfBuzz incorrectly handled certain length checks=
=2E
A remote attacker could use this issue to cause HarfBuzz to crash,
resulting in a denial of service, or possibly execute arbitrary code.
This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-2052)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
libharfbuzz0b 1.0.1-1ubuntu0.1

Ubuntu 14.04 LTS:
libharfbuzz0b 0.9.27-1ubuntu1.1

After a standard system update you need to restart your session to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-3067-1
CVE-2015-8947, CVE-2016-2052

Package Information:
https://launchpad.net/ubuntu/+source/harfbuzz/1.0.1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/harfbuzz/0.9.27-1ubuntu1.1



--c5OTkr7TuIei704e04W9vRbsctIBR6fCb--

 

TOP