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DSA-4056 nova - security update

George Shuklin from discovered that Nova, a cloudcomputing fabric controller, did not correctly enforce its image- orhosts-filters. This allowed an authenticated user to bypass thosefilters by simply rebuilding an instance.

For the stable distribution (stretch), this problem has been fixed inversion 2:14.0.0-4+deb9u1.

We recommend that you upgrade your nova packages.

For the detailed security status of nova please refer toits security tracker page at:

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