Adobe Security Bulletin
Security Updates Available for Adobe Digital Editions | APSB18-13
Bulletin ID Date Published Priority
APSB18-13 April 10, 2018 3


Adobe has released a security update for Adobe Digital Editions. This update resolves an out-of-bounds read vulnerability (CVE-2018-4925) rated Important, and a stack overflow vulnerability (CVE-2018-4926) caused by unsafe processing of specially crafted epub files.

Affected product versions

Product Version Platform
Adobe Digital Editions 4.5.7 and below Windows, Macintosh, iOS and Android


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 4.5.8 Windows 3 Download Page
Macintosh 3 Download Page
iOS 3 iTunes
Android 3 Playstore


  • Customers using Adobe Digital Editions 4.5.7 can download the update from the Adobe Digital Editions download page, or utilize the product’s update mechanism when prompted.
  • For more information, please reference the release notes.

Vulnerability details

Vulnerability Category Vulnerability Impact Severity CVE Numbers
Out-of-bounds read Information Disclosure Important CVE-2018-4925
Stack Overflow Information Disclosure Important CVE-2018-4926


Adobe would like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers:

  • Steven (mr_me) Seeley of Source Incite (CVE-2018-4925)
  • Phil Blankenship of Cerberus Security (CVE-2018-4926)