Adobe Security Bulletin

Security Updates Available for Adobe Premiere Pro | APSB21-100

Bulletin ID

Date Published

Priority

APSB21-100

October 26, 2021   

3

Summary

Adobe has released updates for Adobe Premiere Pro for Windows and macOS. This update addresses critical, important and moderate vulnerabilities. Successful exploitation could lead to arbitrary code execution, privilege escalation and application denial of service. 

Affected Versions

Product

Version

Platform

Adobe Premiere Pro 

15.4.1 and earlier versions     

Windows and macOS

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version via the Creative Cloud desktop app’s update mechanism.  For more information, please reference this help page.

Product

Version

Platform

Priority Rating

Availability

Adobe Premiere Pro

22.0

Windows and macOS

3

Adobe Premiere Pro

15.4.2

Windows and macOS

3

For managed environments, IT administrators can use the Admin Console to deploy Creative Cloud applications to end users. Refer to this help page for more information.

Vulnerability details

Vulnerability Category

Vulnerability Impact

Severity

CVSS base score 

CVE Numbers

Access of Memory Location After End of Buffer

(CWE-788)

Arbitrary Code Execution 

Critical

7.8

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H 
 

CVE-2021-40792   

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-2021-40793    

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-2021-40794  

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-2021-40796 

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-2021-42263 

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-2021-42264  

Acknowledgments

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

  • (hy350) HY350 of Topsec Alpha Team- CVE-2021-42264; CVE-2021-42263; CVE-2021-40796 

  • (yjdfy) CQY of Topsec Alpha Team- CVE-2021-40793 

  • (cff_123) CFF of Topsec Alpha Team- CVE-2021-40794; CVE-2021-40792 

   

Revisions

October 30, 2021: Added row to solution table for N-1 version.


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

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