USN-3063-1: Fontconfig vulnerability
Ubuntu Security Notice USN-3063-1
17th August, 2016
fontconfig vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Fontconfig be made to crash or run programs if it opened a specially
crafted file.
Software description
- fontconfig
– generic font configuration library
Details
Tobias Stoeckmann discovered that Fontconfig incorrectly handled cache
files. A local attacker could possibly use this issue with a specially
crafted cache file to elevate privileges.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 16.04 LTS:
-
fontconfig
2.11.94-0ubuntu1.1
-
libfontconfig1
2.11.94-0ubuntu1.1
- Ubuntu 14.04 LTS:
-
fontconfig
2.11.0-0ubuntu4.2
-
libfontconfig1
2.11.0-0ubuntu4.2
- Ubuntu 12.04 LTS:
-
fontconfig
2.8.0-3ubuntu9.2
-
libfontconfig1
2.8.0-3ubuntu9.2
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart your session to make
all the necessary changes.
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