CVE-2020-21547

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Sep 17, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

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CVE-2020-21547: High severity, CVSS 8.8 | Vulnix