Adobe Security Bulletin

Security Update Available for Adobe InDesign | APSB21-107

Bulletin ID

Date Published

Priority

APSB21-107

October 26, 2021 

3

Summary

Adobe has released a security update for Adobe InDesign.  This update addresses critical and  Important vulnerabilities. Successful exploitation could lead to arbitrary code execution and application denial of service.  

Affected versions

Product

Affected version

Platform

Adobe InDesign

16.4 and earlier versions

Windows and macOS 

Solution

Adobe categorizes these updates with the following priority rating and recommends users update their software installations via the Creative Cloud desktop app updater, or by navigating to the InDesign Help menu and clicking "Updates." For more information, please reference this help page.

Product

Updated version

Platform

Priority rating

Availability

Adobe InDesign

17.0

Windows and macOS

3

For managed environments, IT administrators can use the Creative Cloud Packager to create deployment packages. Refer to this help page for more information.

Vulnerability Details

Vulnerability Category

Vulnerability Impact

Severity

CVSS base score 

CVE Number

NULL Pointer Dereference (CWE-476

Application denial-of-service

Important

5.5

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H 
 

 CVE-2021-40743 

Access of Memory Location After End of Buffer (CWE-788)

Arbitrary code execution 

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 

CVE-2021-42732 

Buffer Overflow (CWE-120

Arbitrary code execution 

Critical

7.8

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 

CVE-2021-42731  

Acknowledgments

Adobe would like to thank the following researcher for reporting this issue and for working with Adobe to help protect our customers:   

  • (hy350) HY350 of Topsec Alpha Team CVE-2021-40743

  • (yjdfy) CQY of Topsec Alpha Team CVE-2021-42732

  • (cff_123) CFF of Topsec Alpha Team CVE-2021-42731 


For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com

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