Apache Struts Security Update

Number: AV18-141
Date: 22 August 2018


The purpose of this advisory is to bring attention to the recently released critical security updates for Apache Struts.


The Apache Foundation has released Struts 2.3.35 and 2.5.17 which contains security fixes to address critical vulnerabilities.

Versions affected: Struts 2.3 - Struts 2.3.34, Struts 2.5 - Struts 2.5.16

CVE Reference: CVE-2018-11776

Suggested Action

CCIRC recommends that system administrators refer to the linked security bulletin where Apache outlines the updates that remediate these vulnerabilities.


Note to Readers

In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.

Please note, CCIRC PGP key has recently been updated.

For general information, please contact Public Safety Canada's Public Affairs division at:

Telephone: 613-944-4875 or 1-800-830-3118
Fax: 613-998-9589
E-mail: ps.communications-communications.sp@canada.ca

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