Active Exploitation of Vulnerability in Adobe Flash Player

Number: AL16-006
Date: 6 April 2016


The purpose of this alert is to bring attention to the active exploitation of a recently disclosed vulnerability in Adobe Flash Player.


CCIRC is aware of attacks exploiting a previously unknown vulnerability in Adobe Flash Player.  The vulnerability exists in version and earlier for Windows, Mac OS X, Linux and Chrome OS.   Identified as CVE-2016-1019, exploitation of this vulnerability can allow for an attacker to take control of the affected system after causing a crash.

Mitigation for this vulnerability exists for Adobe Flash Player since version, however the vulnerable source code still exists. Adobe is planning to provide a patch as early as 7 April 2016.

Suggested Action

CCIRC recommends system administrators test and deploy the latest version of Adobe Flash Player to affected systems accordingly to aid with mitigation for this vulnerability, and to consider disabling Adobe Flash until the patch is available to install.


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

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