CVE-2018-16646: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 2.9% chance of exploitation in the next 30 days.

In Poppler 0.68.0, the Parser::getObj() function in Parser.cc may cause infinite recursion via a crafted file. A remote attacker can leverage this for a DoS attack.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only
• Freedesktop Poppler: version 0.68.0 only

Published 2018-09-06. Last modified 2026-06-17.