VULNERABILITY INTELLIGENCE

CVE-2020-21049

CVSS score6.5 MEDIUM
EPSS probability1.38%
CISA KEVNot currently listed
Published2021-09-14
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

An invalid read in the stb_image.h component of libsixel prior to v1.8.5 allows attackers to cause a denial of service (DOS) via a crafted PSD file.

Weakness classification

  • nvd@nist.gov: CWE-125

Primary references