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Ubuntu Security Notice USN-2902-1
February 17, 2016
graphite2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 15.10
– Ubuntu 14.04 LTS
Summary:
graphite2 could be made to crash or run programs as your login if it
opened a specially crafted font.
Software Description:
– graphite2: Font rendering engine for Complex Scripts
Details:
Yves Younan discovered that graphite2 incorrectly handled certain malformed
fonts. If a user or automated system were tricked into opening a specially-
crafted font file, a remote attacker could use this issue to cause
graphite2 to crash, resulting in a denial of service, or possibly execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 15.10:
libgraphite2-3 1.2.4-3ubuntu1.1
Ubuntu 14.04 LTS:
libgraphite2-3 1.2.4-1ubuntu1.1
After a standard system update you need to restart applications using
graphite2, such as LibreOffice, to make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2902-1
CVE-2016-1521, CVE-2016-1522, CVE-2016-1523, CVE-2016-1526
Package Information:
https://launchpad.net/ubuntu/+source/graphite2/1.2.4-3ubuntu1.1
https://launchpad.net/ubuntu/+source/graphite2/1.2.4-1ubuntu1.1
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