A rsync security update has been released for Debian GNU/Linux 9 LTS.

DLA 2833-1: rsync security update

- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2833-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Adrian Bunk
November 30, 2021   https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package : rsync
Version : 3.1.2-1+deb9u3
CVE ID : CVE-2018-5764
Debian Bug : 887588

In rsync, a remote file-copying tool, remote attackers were able to
bypass the argument-sanitization protection mechanism by passing
additional --protect-args.

For Debian 9 stretch, this problem has been fixed in version
3.1.2-1+deb9u3.

We recommend that you upgrade your rsync packages.

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

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