Adobe Acrobat and Reader Optional Hotfix Released

Adobe has released an optional hotfix for Adobe Acrobat and Reader for Windows and macOS that addresses some important bug fixes.

Release date:  February 15, 2021
Vulnerability identifier: None
Platform: Windows and MacOS

Bug fixes:

Viewer

• 4324395: An error comes up on opening PDFs in Reader when trying to open from OneDrive’s Personal Vault Folder
  

Sandbox

• 4324448: Unable to Save PDF file to Citrix ShareFile drive
• 4324392: Unable to save digitally signed PDF to Box drive when “Enable Protected Mode at startup (Preview)” is enabled
  

Browser

• 4324403: Error “PDF browser plugin is missing, reinstall the application” shown on opening PDF in browser
• 4324403: Hang on connecting to Global Protect tool with error “PDF browser plugin is missing, reinstall the application” shown in background
  

Printing

• 4324342: “Choose Paper source by PDF page size” checkbox is not working while Protected Mode is enabled
  

Search

• 4323902: Acrobat is not able to load associated index with a PDF file
  

Installer

• 4323851: Getting Error 1722 while installing 32-bit Reader or on applying latest Reader patch
  

Fill & Sign

• 4324424: Reader: Nothing happens on clicking “Save a copy” button after adding a signature through Fill and Sign on a Reader extended document
  

Editing

• 4324400: Cell content from Excel app is getting copied as image to the Edit app

Update or Complete Download

Reader DC and Acrobat DC were updated to version 21.001.20138.

 Update checks can be manually activated by choosing Help/Check for Updates. 

• Reader DC and other versions are available here:  https://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
  
• Acrobat DC for Windows is available here:  http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows

Note: UNcheck any pre-checked additional options presented with the update. They are not part of the software update and are completely optional.

References

• PSIRT
• Release Notes
• Security Bulletin
• System Requirements

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