Debian Security Advisory

DLA-2403-1 rails -- LTS security update

Date Reported:
09 Oct 2020
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 970040.
In Mitre's CVE dictionary: CVE-2020-15169.
More information:

A potential Cross-Site Scripting (XSS) vulnerability was found in rails, a ruby based MVC framework. Views that allow the user to control the default (not found) value of the `t` and `translate` helpers could be susceptible to XSS attacks. When an HTML-unsafe string is passed as the default for a missing translation key named html or ending in _html, the default string is incorrectly marked as HTML-safe and not escaped.

For Debian 9 stretch, this problem has been fixed in version 2:

We recommend that you upgrade your rails packages.

For the detailed security status of rails 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: