CVE-2018-19762: Saitoha Libsixel

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

There is a heap-based buffer overflow at fromsixel.c (function: image_buffer_resize) in libsixel 1.8.2 that will cause a denial of service or possibly unspecified other impact.

Affected products

• Saitoha Libsixel: version 1.8.2 only

Published 2018-11-30. Last modified 2026-06-17.