CVE-2020-14400: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days.

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c. NOTE: Third parties do not consider this to be a vulnerability as there is no known path of exploitation or cross of a trust boundary

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Libvncserver Project Libvncserver: before 0.9.13 (fixed in 0.9.13)
• Opensuse Leap: version 15.1 only; version 15.2 only

Published 2020-06-17. Last modified 2026-06-17.