Sebastien Meriot discovered that the S3 API of Swift, a distributed virtual object store, was susceptible to information disclosure.
For Debian 10 buster, this problem has been fixed in version 2.19.1-1+deb10u1.
We recommend that you upgrade your swift packages.
For the detailed security status of swift please refer to its security tracker page at: https://security-tracker.debian.org/tracker/swift
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