Ubuntu Security Notice 3501-1 - It was discovered that libxcursor incorrectly handled certain files. An attacker could use these issues to cause libxcursor to crash, resulting in a denial of service, or possibly execute arbitrary code.
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Ubuntu Security Notice USN-3501-1
November 29, 2017
libxcursor vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
libxcursor could be made to crash or run programs if it opened a specially
crafted file.
Software Description:
- libxcursor: X11 cursor management library
Details:
It was discovered that libxcursor incorrectly handled certain files. An
attacker could use these issues to cause libxcursor 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 17.10:
libxcursor1 1:1.1.14-3ubuntu0.1
Ubuntu 17.04:
libxcursor1 1:1.1.14-1ubuntu0.17.04.1
Ubuntu 16.04 LTS:
libxcursor1 1:1.1.14-1ubuntu0.16.04.1
Ubuntu 14.04 LTS:
libxcursor1 1:1.1.14-1ubuntu0.14.04.1
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3501-1
CVE-2017-16612
Package Information:
https://launchpad.net/ubuntu/+source/libxcursor/1:1.1.14-3ubuntu0.1
https://launchpad.net/ubuntu/+source/libxcursor/1:1.1.14-1ubuntu0.17.04.1
https://launchpad.net/ubuntu/+source/libxcursor/1:1.1.14-1ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/libxcursor/1:1.1.14-1ubuntu0.14.04.1
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