Security Updates Available for Adobe Digital Editions | APSB21-26
Bulletin ID Date Published Priority
APSB20-26 April 13, 2021   
3

Summary

Adobe has released a security update for Adobe Digital Editions. This update resolves a critical vulnerability that could result in arbitrary file system write.    

Affected product versions

Product Version Platform
Adobe Digital Editions 4.5.11.187245 and below   
MacOS

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

Product Version Platform Priority Availability
Adobe Digital Editions 4.5.11.187606
MacOS 3 Download Page

Note:

  • Customers can download the update from the Adobe Digital Editions download page, or utilize the product’s update mechanism when prompted.
  • For more information, please refer the release notes.

Vulnerability details

Vulnerability Category Vulnerability Impact Severity CVE Numbers
Privilege Escalation  Arbitrary file system write
Critical
CVE-2021-21100

Acknowledgments

Adobe would like to thank  Qingyang Chen of Topsec Alpha Team for reporting these issues and for working with Adobe to help protect our customers.