CVE-2018-19757: Saitoha Libsixel

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

There is a NULL pointer dereference at function sixel_helper_set_additional_message (status.c) in libsixel 1.8.2 that will cause a denial of service.

Affected products

• Saitoha Libsixel: version 1.8.2 only

Published 2018-11-30. Last modified 2026-06-17.