Debian: DSA-4163-1 Moderate: Beep Local Escalation Issue

It was discovered that a race condition in beep (if configured as setuid
via debconf) allows local privilege escalation.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.3-3+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 1.3-4+deb9u1.

We recommend that you upgrade your beep packages.

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

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