Released on June 29, 2010, Adobe Reader 9.3.3 was an out-of-band security update addressing severe, actively exploited vulnerabilities related to the
Who it’s for
Adobe has officially ended support for the 9.x series. Moving to the latest (currently a free desktop and mobile app) provides Adobe AI Assistant for summarizing documents, improved security, and better cloud integration with Dropbox and Google Drive [16, 21, 33]. Adobe Reader 9.3.3
| Alternative | Lightweight? | OS support | Security | |-------------|--------------|------------|----------| | | ✅ Extremely | XP, 7, 10, 11 | Good (active updates) | | PDF-XChange Editor (Free) | ✅ Moderate | XP and up | Good | | Foxit Reader 6.x (older version) | ✅ Light | XP/Vista/7 | Moderate (no updates) | | Okular (via Windows) | ❌ Heavier | Win 7+ | Good | Released on June 29, 2010, Adobe Reader 9
Cybersecurity analysts sometimes need to replicate the exact behavior of a malware sample from 2010. That sample may have been designed to exploit Reader 9.3.2 after upgrading to 9.3.3. To study the patch, they need the vulnerable version in a VM. This is the defining reason why Adobe Reader 9
This is the defining reason why Adobe Reader 9.3.3 cannot be recommended today.
If you need a secure, up-to-date PDF reader: