CVE-2021-40656

HIGH

libsixel < 1.10 - Buffer Overflow in quant.c

Title source: llm
STIX 2.1

Description

libsixel before 1.10 is vulnerable to Buffer Overflow in libsixel/src/quant.c:867.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/libsixel/libsixel/issues/25

Scores

CVSS v3 8.8
EPSS 0.0100
EPSS Percentile 58.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
libsixel/libsixel < 1.10.0
libsixel_project/libsixel < 1.10
Published Apr 08, 2022
Tracked Since Feb 18, 2026