CVE-2020-11721

6.5 MEDIUM

Published: April 12, 2020 Modified: April 24, 2026

Description

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.

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/saitoha/libsixel/issues/134

Source: cve@mitre.org

Exploit Third Party Advisory

https://github.com/saitoha/libsixel/issues/134

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

Exploit Third Party Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.5 / 10.0

EPSS (Exploit Probability)

0.5%

65th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-824

Affected Vendors

saitoha

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