USN-3622-1: Wayland vulnerability

Releases

• Ubuntu 17.10
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• wayland - Wayland compositor infrastructure

Details

It was discovered that the Wayland Xcursor support incorrectly handled
certain files. An attacker could use these issues to cause Wayland 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

• libwayland-cursor0 - 1.14.0-1ubuntu0.1

Ubuntu 16.04

• libwayland-bin - 1.12.0-1~ubuntu16.04.3
• libwayland-client0 - 1.12.0-1~ubuntu16.04.3
• libwayland-cursor0 - 1.12.0-1~ubuntu16.04.3
• libwayland-dev - 1.12.0-1~ubuntu16.04.3
• libwayland-doc - 1.12.0-1~ubuntu16.04.3
• libwayland-server0 - 1.12.0-1~ubuntu16.04.3

Ubuntu 14.04

• libwayland-cursor0 - 1.4.0-1ubuntu1.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• CVE-2017-16612

Related notices

• USN-3501-1: libxcursor-dev, libxcursor1-udeb, libxcursor1, libxcursor