CVE-2021-45340

6.5 MEDIUM

Published: January 25, 2022 Modified: April 24, 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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/libsixel/libsixel/issues/51

Source: cve@mitre.org

Exploit Issue Tracking Patch Third Party Advisory

https://github.com/libsixel/libsixel/issues/51

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Issue Tracking Patch Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.5 / 10.0

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-476

Affected Vendors

libsixel

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