CVE-2019-3573: Saitoha Libsixel

Medium severity, CVSS 5.5. EPSS: 1% chance of exploitation in the next 30 days.

In libsixel v1.8.2, there is an infinite loop in the function sixel_decode_raw_impl() in the file fromsixel.c, as demonstrated by sixel2png.

Affected products

• Saitoha Libsixel: version 1.8.2 only

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