CVE-2019-20022: Saitoha Libsixel

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

An invalid memory address dereference was discovered in load_pnm in frompnm.c in libsixel before 1.8.3.

Affected products

• Saitoha Libsixel: before 1.8.3 (fixed in 1.8.3)

Published 2019-12-27. Last modified 2026-06-17.