For the stable distribution (stretch), this problem has been fixed in
version 1.11.6-3+deb9u1.
We recommend that you upgrade your cups-filters packages.
For the detailed security status of cups-filters please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/source-package/cups-filters
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/
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