CVE-2019-20140: Saitoha Libsixel

High severity, CVSS 8.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_out_code at fromgif.c.

Affected products

• Saitoha Libsixel: version 1.8.4 only

Published 2019-12-30. Last modified 2026-06-17.