Ubuntu 21.10: Critical Security Update for Speex Denial of Service

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

Ubuntu 21.10:
  speex                           1.2~rc1.2-1.1ubuntu1.21.10.1

Ubuntu 20.04 LTS:
  speex                           1.2~rc1.2-1.1ubuntu1.20.04.1

Ubuntu 18.04 LTS:
  speex                           1.2~rc1.2-1ubuntu2.1

Ubuntu 16.04 ESM:
  speex                           1.2~rc1.2-1ubuntu1+esm1

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