CVE-2020-12866: Canonical Ubuntu Linux

Medium severity, CVSS 5.7. EPSS: 1% chance of exploitation in the next 30 days.

A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Opensuse Leap: version 15.1 only; version 15.2 only
• Sane-Project Sane Backends: before 1.0.30 (fixed in 1.0.30)

Published 2020-06-24. Last modified 2026-06-17.