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.
Published: 2021-09-14
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-13828 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.
History

Fri, 24 Apr 2026 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Saitoha
Saitoha libsixel
CPEs cpe:2.3:a:libsixel_project:libsixel:*:*:*:*:*:*:*:* cpe:2.3:a:saitoha:libsixel:*:*:*:*:*:*:*:*
Vendors & Products Libsixel Project
Libsixel Project libsixel
Saitoha
Saitoha libsixel

Subscriptions

Saitoha Libsixel
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T14:22:25.527Z

Reserved: 2020-08-13T00:00:00.000Z

Link: CVE-2020-21049

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-09-14T16:15:08.773

Modified: 2026-04-24T13:34:35.887

Link: CVE-2020-21049

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses