Debian Security Advisory

DLA-2567-1 unrar-free -- LTS security update

Date Reported:
18 Feb 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2017-14120, CVE-2017-14121, CVE-2017-14122.
More information:

Several issues have been found in unrar-free, an unarchiver for .rar files.

  • CVE-2017-14120

    This CVE is related to a directory traversal vulnerability for RAR v2 archives.

  • CVE-2017-14121

    This CVE is related to NULL pointer dereference flaw triggered by a specially crafted RAR archive.

  • CVE-2017-14122

    This CVE is related to stack-based buffer over-read.

    For Debian 9 stretch, these problems have been fixed in version 1:0.0.1+cvs20140707-1+deb9u1.

    We recommend that you upgrade your unrar-free packages.

    For the detailed security status of unrar-free please refer to its security tracker page at:

    Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: