Debian LTS: DLA-2654-1: composer security update
Summary
For Debian 9 stretch, this problem has been fixed in version
1.2.2-1+deb9u1.
We recommend that you upgrade your composer packages.
For the detailed security status of composer please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/composer
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