CVE-2019-18804: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

DjVuLibre 3.5.27 has a NULL pointer dereference in the function DJVU::filter_fv at IW44EncodeCodec.cpp.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 19.04 only; version 19.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only; version 11.0 only
• Djvulibre Project Djvulibre: version 3.5.27 only
• Fedoraproject Fedora: version 30 only; version 31 only
• Opensuse Leap: version 15.0 only; version 15.1 only

Published 2019-11-07. Last modified 2026-06-17.