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             AUSCERT External Security Bulletin Redistribution

          APSB21-63 Security update available for Adobe Photoshop
                               21 July 2021


        AusCERT Security Bulletin Summary

Product:           Adobe Photoshop
Publisher:         Adobe
Operating System:  Windows
                   Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Read-only Data Access           -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-36006 CVE-2021-36005 

Original Bulletin: 

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Security updates available for Adobe Photoshop | APSB21-63

Bulletin ID                  Date Published                Priority

APSB21-63                  July 20, 2021                     3


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

Affected Versions

Product             Affected version                     Platform

Photoshop 2020      21.2.9 and earlier versions          Windows and macOS

Photoshop 2021      22.4.2 and earlier versions          Windows and macOS


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      21.2.10                Windows and macOS        3

Photoshop 2021      22.4.3                 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

Vulnerability details

 Vulnerability   Vulnerability           CVSS
    Category        Impact     Severity  base     CVSS vector      CVE Number

Stack-based      Arbitrary                     CVSS:3.1/AV:L/
Buffer Overflow  code          Critical 7.8    AC:L/PR:N/UI:R/   CVE-2021-36005
( CWE-121 )      execution                     S:U/C:H/I:H/A:H

Improper Input   Arbitrary                     CVSS:3.1/AV:L/
Validation (     file system   Moderate 3.3    AC:L/PR:N/UI:R/   CVE-2021-36006
CWE-20 )         read                          S:U/C:H/I:H/A:H


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

  o Yongjun Liu of nsfocus security team (liuyongjun) (CVE-2021-36005)
  o Mat Powell of Trend Micro Zero Day Initiative (CVE-2021-36006)


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

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