CVE-2009-0191: Foxitsoftware Foxit Reader

High severity, CVSS 9.3. EPSS: 5% chance of exploitation in the next 30 days.

Foxit Reader 2.3 before Build 3902 and 3.0 before Build 1506, including 3.0.2009.1301, does not properly handle a JBIG2 symbol dictionary segment with zero new symbols, which allows remote attackers to execute arbitrary code via a crafted PDF file that triggers a dereference of an uninitialized memory location.

Affected products

• Foxitsoftware Foxit Reader: version 2.3 only; version 3.0 only; version 3.0.2009.1301 only

Published 2009-03-10. Last modified 2026-06-16.