CVE-2021-46700

6.5 mediumEPSS 1.0%

Medium (6.5) in saitoha libsixel. EPSS 1.0% chance of exploitation in the next 30 days.

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

Severity

6.5 medium

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

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
CWE: CWE-415
Published: 2022-02-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19