Debian Asterisk Important Buffer Overflows and Fixes DLA-4631-1

Several issues have been found in asterisk, an Open Source Private Branch
Exchange (PBX). They are related to buffer under- or overflows, either on
heap or on stack. Some are related to use-after-free or wrong processing
of invalid or untrusted certificates.


For Debian 11 bullseye, these problems have been fixed in version
1:16.28.0~dfsg-0+deb11u10.

We recommend that you upgrade your asterisk packages.

For the detailed security status of asterisk please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/asterisk

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS