Debian Security Advisory

DLA-2719-1 ruby-actionpack-page-caching -- LTS security update

Date Reported:
23 Jul 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 960680.
In Mitre's CVE dictionary: CVE-2020-8159.
More information:

ooooooo_q discovered that the actionpack_page-caching Ruby gem, a static page caching module for Rails, allows an attacker to write arbitrary files to a web server, potentially resulting in remote code execution if the attacker can write unescaped ERB to a view.

For Debian 9 stretch, this problem has been fixed in version 1.0.2-4+deb9u1.

We recommend that you upgrade your ruby-actionpack-page-caching packages.

For the detailed security status of ruby-actionpack-page-caching 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: