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Ubuntu 16.04 ESM USN-5614-2 Critical: Wayland Denial of Service

ubuntu
Calendar Grey October 3, 2022
Dist Ubuntu Esm H88
A vulnerability found in Wayland on Ubuntu 16.04 ESM may cause unexpected crashes or allow unauthorized application execution. It's crucial to apply updates.
Wayland could be made to crash or run programs.

Summary

Wayland could be made to crash or run programs.

Software Description:

- wayland: Wayland compositor infrastructure

Details:

USN-5614-1 fixed a vulnerability in Wayland. This update

provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Wayland incorrectly handled reference counting

certain objects. An attacker could use this issue to cause Wayland to

crash, resulting in a denial of service, or possibly execute arbitrary

code.

Topics%20covered

Topics Covered

security advisory denial of service critical software issue ubuntu wayland

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 ESM:
   libwayland-bin                     1.12.0-1~ubuntu16.04.3+esm1
   libwayland-client0               1.12.0-1~ubuntu16.04.3+esm1
   libwayland-cursor0              1.12.0-1~ubuntu16.04.3+esm1
   libwayland-server0              1.12.0-1~ubuntu16.04.3+esm1

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

References

https://ubuntu.com/security/notices/USN-5614-2

https://ubuntu.com/security/notices/USN-5614-1

CVE-2021-3782

Severity
critical
Lowest
Low
Medium
High
Critical

October 03, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical software issue ubuntu wayland

Package Information

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