Apache Releases update for HTTPD

Number: AV16-108
Date: 05 July 2016


The purpose of this advisory is to bring attention to the newest release of the Apache HTTPD Server, Version 2.4.23.


Apache has released its newest version of the HTTPD Web Server. Version 2.4.23 is considered to be a feature and bug fix release with many improvements and enhancements over the previous 2.X versions. Specifically, Version 2.4.23 addresses an issue whereby a third party could gain access to resources on the web server with a bypass of the TLS certificate Authentication if http/2 is enabled.
Apache HTTPD Server 2.4.23 is currently available for download.

CVE References: CVE-2016-4979

Suggested Action

CCIRC recommends that system administrators refer to available documentation with regards to testing and deploying the newest Apache version.


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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