| 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 |
This release specifically targeted vulnerabilities that could allow an attacker to take control of a system. The "/Launch" Command Fix: Adobe Reader 9.3.3
Cons
During this period, Adobe Reader 9 offered several core PDF management functions: | Alternative | Lightweight