CVE-2021-46700

MEDIUM

Libsixel <1.8.6 - Use After Free

Title source: llm

Description

In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.

References (1)

Scores

CVSS v3 6.5
EPSS 0.0016
EPSS Percentile 37.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE
CWE-415
Status published

Affected Products (1)

libsixel_project/libsixel

Timeline

Published Feb 19, 2022
Tracked Since Feb 18, 2026