Adobe Security Bulletin

Last updated on

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	Release Note

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	CVSS vector	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