CVE-2019-3574: Saitoha Libsixel

High severity, CVSS 7.8. EPSS: 1.2% chance of exploitation in the next 30 days.

In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel.

Affected products

• Saitoha Libsixel: version 1.8.2 only

Published 2019-01-02. Last modified 2026-06-17.