A harfbuzz security update has been released for Debian GNU/Linux 8 LTS

Package : harfbuzz
Version : 0.9.35-2+deb8u1
CVE ID : CVE-2015-8947

An issue has been found in harfbuzz, an OpenType text shaping engine.

Due to a buffer over-read, remote attackers are able to cause a denial of
service or possibly have other impact via crafted data.

For Debian 8 "Jessie", this problem has been fixed in version
0.9.35-2+deb8u1.

We recommend that you upgrade your harfbuzz packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS