Heap-Based Buffer Overflow in Libsixel 1.8.3's sixel_encode_highcolor Function

Heap-Based Buffer Overflow in Libsixel 1.8.3's sixel_encode_highcolor Function

CVE-2020-21548 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.

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