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USN-2927-1: graphite2 vulnerabilities

USN-2927-1: graphite2 vulnerabilities

Ubuntu Security Notice USN-2927-1

14th March, 2016

graphite2 vulnerabilities

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

Summary

graphite2 could be made to crash or run programs as your login if it opened
a specially crafted font.

Software description

Details

It was 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 version:

Ubuntu 15.10:
libgraphite2-3

1.3.6-1ubuntu0.15.10.1
Ubuntu 14.04 LTS:
libgraphite2-3

1.3.6-1ubuntu0.14.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart applications
using graphite2, such as LibreOffice, to make all the necessary changes.

References

CVE-2016-1977,

CVE-2016-2790,

CVE-2016-2791,

CVE-2016-2792,

CVE-2016-2793,

CVE-2016-2794,

CVE-2016-2795,

CVE-2016-2796,

CVE-2016-2797,

CVE-2016-2798,

CVE-2016-2799,

CVE-2016-2800,

CVE-2016-2801,

CVE-2016-2802

Source: USN-2927-1: graphite2 vulnerabilities

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