📦 Libsixel

by Libsixel Project

🔍 What is Libsixel?

Description coming soon...

🛡️ Security Overview

Click on a severity to filter vulnerabilities

⚠️ Known Vulnerabilities

CVE-2020-21548

HIGH CVSS 8.8 Sep 17, 2021

CVE-2020-21548 is a heap-based buffer overflow vulnerability in Libsixel's sixel_encode_highcolor function that allows attackers to execute arbitrary code or cause denial of service. This affects appl...

CVE-2020-36120

HIGH CVSS 7.5 Apr 14, 2021

A buffer overflow vulnerability in Libsixel's sixel_encoder_encode_bytes function allows attackers to cause denial of service by sending specially crafted input. This affects applications that use Lib...

CVE-2025-61146

MEDIUM CVSS 4.0 Feb 23, 2026

CVE-2025-61146 is a memory leak vulnerability in saitoha libsixel's malloc_stub.c component. This vulnerability allows attackers to cause gradual memory exhaustion in applications using vulnerable lib...