Date: 
Wednesday, Jan 16th, 2019
Advisory ID: 
BACKDROP-SA-CORE-2019-001
Security risk: 
Critical
Vulnerability: 
Third Party Libraries
Versions affected: 
  • Backdrop core versions prior to 1.12.1 and 1.11.5
Description: 

Backdrop core uses the third-party PEAR Archive_Tar library. This library has released a security update which impacts some Backdrop configurations. Refer to CVE-2018-1000888 for details.

Another SA was released today, see also:

Solution: 

Upgrade your site to the most recent version of Backdrop core.  Download available on the Backdrop CMS 1.12.1 release page.  See the update instructions, if needed.

Reported By: 
Fixed By: 
Coordinated By: 

Security email list

Backdrop maintains a security mailing list. Whenever a security release comes out, an email will be sent to everyone subscribed to that list, announcing the new release. Please follow the steps below to join the Security email list.

  1. Log in to backdropcms.org
  2. Edit your profile
  3. Switch to the "Subscriptions" tab
  4. Check the box labeled "Security updates"
  5. Save the form