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Ubuntu Security Notice USN-5646-1
September 28, 2022

libxi vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in libxi.

Software Description:
- libxi: X11 Input extension library

Details:

Tobias Stoeckmann discovered that libXi did not properly manage memory
when handling X server responses. A remote attacker could use this issue
to cause libXi to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 16.04 ESM:
   libxi6                          2:1.7.6-1ubuntu0.1~esm1

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-5646-1
   CVE-2016-7945, CVE-2016-7946