CVE-2020-19668: Saitoha Libsixel

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

Unverified indexs into the array lead to out of bound access in the gif_out_code function in fromgif.c in libsixel 1.8.6.

Affected products

• Saitoha Libsixel: version 1.8.6 only

Published 2020-11-20. Last modified 2026-06-17.