VULNERABILITY INTELLIGENCE

CVE-2021-45340

CVSS score6.5 MEDIUM

EPSS probability0.92%

CISA KEVNot currently listed

Published2022-01-25

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

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.

Weakness classification

nvd@nist.gov: CWE-476

Primary references

cve@mitre.org — Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Third Party Advisory