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USN-3067-1: HarfBuzz vulnerabilities

24 August 2016

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

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Releases

Packages

  • 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, resulting
in a denial of service, or possibly execute arbitrary code. (CVE-2015-8947)

It was discovered that HarfBuzz incorrectly handled certain length checks.
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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

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

Related notices

  • USN-2877-1: oxideqt-codecs, oxideqmlscene, oxideqt-codecs-extra, liboxideqtcore0, liboxideqt-qmlplugin, liboxideqtquick0, oxide-qt, oxideqt-chromedriver