CVE-2021-45340

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT 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

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 25, 2022
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2021-45340: Medium severity, CVSS 6.5 | Vulnix