load_png in loader.c in libsixel.a in libsixel 1.8.6 has an uninitialized pointer leading to an invalid call to free, which can cause a denial of service.
History

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

Type Values Removed Values Added
First Time appeared Saitoha
Saitoha libsixel
CPEs cpe:2.3:a:libsixel_project:libsixel:1.8.6:*:*:*:*:*:*:* cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*
Vendors & Products Libsixel Project
Libsixel Project libsixel
Saitoha
Saitoha libsixel

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T11:42:00.564Z

Reserved: 2020-04-12T00:00:00.000Z

Link: CVE-2020-11721

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-04-12T19:15:10.367

Modified: 2026-04-24T12:56:58.623

Link: CVE-2020-11721

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.