Debian LTS: DLA-2850-1: libpcap security update
Summary
For Debian 9 stretch, this problem has been fixed in version
1.8.1-3+deb9u1.
We recommend that you upgrade your libpcap packages.
For the detailed security status of libpcap please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libpcap
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