CVE-2020-21048

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected software

No affected versions have been published.

Timeline

Published
Sep 14, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-21048: Medium severity, CVSS 6.5 | Vulnix