An unrar-nonfree security update has been released for Debian GNU/Linux 10 LTS to address an issue that allowed the extraction of files outside of the destination folder via symlink chains.

[SECURITY] [DLA 3535-1] unrar-nonfree security update

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Debian LTS Advisory DLA-3535-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Markus Koschany
August 17, 2023 https://wiki.debian.org/LTS
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Package : unrar-nonfree
Version : 1:5.6.6-1+deb10u3
CVE ID : CVE-2022-48579

It was discovered that UnRAR, an unarchiver for rar files, allows extraction of
files outside of the destination folder via symlink chains.

For Debian 10 buster, this problem has been fixed in version
1:5.6.6-1+deb10u3.

We recommend that you upgrade your unrar-nonfree packages.

For the detailed security status of unrar-nonfree please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/unrar-nonfree

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