Adobe Security Bulletin
Security updates available for Adobe Photoshop | APSB21-10
Bulletin ID Date Published Priority
APSB21-10 February 09, 2021      
3

Summary

Adobe has released updates for Photoshop for Windows and macOS. These updates resolve multiple critical vulnerabilities.  Successful exploitation could lead to arbitrary code execution in the context of the current user.       

Affected Versions

Product Affected version Platform
Photoshop 2020
21.2.4 and earlier versions
Windows and macOS 
Photoshop 2021 22.1.1 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 Updated versions Platform Priority
Photoshop 2020
21.2.5
Windows and macOS
3
Photoshop 2021 22.2
Windows and macOS 3

Note:

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 CVE Number
Out-of-bounds read  Arbitrary code execution 
Critical 

CVE-2021-21049

CVE-2021-21050

Buffer Overflow
Arbitrary code execution 
Critical 

CVE-2021-21048

CVE-2021-21051

Out-of-bounds write
Arbitrary code execution 
Critical 
CVE-2021-21047

Acknowledgments

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

  • Tran Van Khang \xe2\x80\x93 khangkito (VinCSS) working with Trend Micro Zero Day Initiative (CVE-2021-21047)
  • Francis Provencher {PRL} working with Trend Micro Zero Day Initiative (CVE-2021-21048)
  • rgod working with Trend Micro Zero Day Initiative (CVE-2021-21049, CVE-2021-21050)
  • guoxi (CVE-2021-21051)