Adobe security advisory

Number: AV21-222
Date: 12 May 2021

On 11 May 2021 Adobe published Security Bulletins to address vulnerabilities in multiple products. Included were critical patches for the following:

  • Experience Manager – multiple versions
  • InDesign – version 16.0 and prior
  • Illustrator 2021 – version 25.2 and prior
  • InCopy – version 16.0 and prior
  • Acrobat Reader DC – multiple versions
  • Acrobat DC – multiple versions
  • Acrobat Reader 2020 – version 2020.001.30020 and prior
  • Acrobat 2020 – version 2020.001.30020 and prior
  • Acrobat Reader 2017 - version 2017.011.30194 and prior
  • Acrobat 2017 - version 2017.011.30194 and prior
  • Creative Cloud Desktop Application – version 5.3 and prior
  • After Effects – version 18.1 and prior
  • Medium – version 2.4.5.331 and prior
  • Animate – version 21.0.5 and prior

Exploitation of some of these vulnerabilities could result in arbitrary code execution.

Adobe has received a report that CVE-2021-28550, which affects Adobe Reader users on Windows, has been exploited in the wild.

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

Adobe Security Bulletins and Advisories
https://helpx.adobe.com/security.html

Note to Readers
The Canadian Centre for Cyber Security (Cyber Centre) operates as part of the Communications Security Establishment. We are Canada’s national authority on cyber security and we lead the government’s response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure, Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.

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