CVE-2020-11521: Canonical Ubuntu Linux

Medium severity, CVSS 6.6. EPSS: 2% chance of exploitation in the next 30 days.

libfreerdp/codec/planar.c in FreeRDP version > 1.0 through 2.0.0-rc4 has an Out-of-bounds Write.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 19.10 only; version 20.04 only
• Debian Debian Linux: version 9.0 only
• Freerdp Freerdp: after 1.0.0, before 2.0.0 (fixed in 2.0.0); version 2.0.0 only
• Opensuse Leap: version 15.1 only

Published 2020-05-15. Last modified 2026-06-17.