Packages
Details
It was discovered that libXfont incorrectly handled certain patterns in
PatternMatch. A local attacker could use this issue to cause libXfont to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2017-13720)
It was discovered that libXfont incorrectly handled certain malformed PCF
files. A local attacker could use this issue to cause libXfont to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2017-13722)
It was discovered that libXfont incorrectly handled certain patterns in
PatternMatch. A local attacker could use this issue to cause libXfont to
crash, resulting in a denial of service, or possibly obtain sensitive
information. (CVE-2017-13720)
It was discovered that libXfont incorrectly handled certain malformed PCF
files. A local attacker could use this issue to cause libXfont to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2017-13722)
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 17.04 zesty | libxfont1 – 1:1.5.2-4ubuntu0.1 | ||
| libxfont2 – 1:2.0.1-3ubuntu0.1 | |||
| 16.04 xenial | libxfont1 – 1:1.5.1-1ubuntu0.16.04.3 | ||
| libxfont2 – 1:2.0.1-3~ubuntu16.04.2 | |||
| 14.04 trusty | libxfont1 – 1:1.4.7-1ubuntu0.3 | ||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.