Three issues have been found in libarchive, a multi-format archive and compression library.
For Debian 10 buster, these problems have been fixed in version 3.3.3-4+deb10u2.
We recommend that you upgrade your libarchive packages.
For the detailed security status of libarchive please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libarchive
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