[USN-3067-1] HarfBuzz vulnerabilities
marc.deslauriers at canonical.com
Wed Aug 24 14:36:20 UTC 2016
Ubuntu Security Notice USN-3067-1
August 24, 2016
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
HarfBuzz could be made to crash or run programs as your login if it
processed specially crafted data.
- harfbuzz: OpenType text shaping engine
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)
The problem can be corrected by updating your system to the following
Ubuntu 16.04 LTS:
Ubuntu 14.04 LTS:
After a standard system update you need to restart your session to make
all the necessary changes.
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