CVE-2021-45340

PoC —

CVSS 3.1

6.5 medium

EPSS

<1%p58

Published

Jan 25, 2022 (Jan 25, 2022)

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.

Vendors: libsixel
Products: libsixel
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.9%)

In the news0 stories

No ingested article mentions this CVE yet.