Debian Security Advisory

DLA-2389-1 ruby-rack-cors -- LTS security update

Date Reported:
01 Oct 2020
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 944849.
In Mitre's CVE dictionary: CVE-2019-18978.
More information:

This package allowed ../ directory traversal to access private resources because resource matching did not ensure that pathnames were in a canonical format.

For Debian 9 stretch, this problem has been fixed in version 0.4.0-1+deb9u2.

We recommend that you upgrade your ruby-rack-cors packages.

For the detailed security status of ruby-rack-cors 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: