CVE-2019-20205: Saitoha Libsixel

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

libsixel 1.8.4 has an integer overflow in sixel_frame_resize in frame.c.

Affected products

• Saitoha Libsixel: version 1.8.4 only

Published 2020-01-02. Last modified 2026-06-17.