CVE-2021-41715: Libsixel

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

libsixel 1.10.0 is vulnerable to Use after free in libsixel/src/dither.c:379.

Affected products

• Libsixel Libsixel: version 1.10.0 only

Published 2022-04-08. Last modified 2026-06-17.