CVE-2021-45340

MEDIUM

libsixel <= 1.10.3 - Denial of Service via Crafted PICT File

Title source: llm
STIX 2.1

Description

In Libsixel prior to and including v1.10.3, a NULL pointer dereference in the stb_image.h component of libsixel allows attackers to cause a denial of service (DOS) via a crafted PICT file.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/libsixel/libsixel/issues/51

Scores

CVSS v3 6.5
EPSS 0.0092
EPSS Percentile 55.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-476
Status published
Products (2)
libsixel/libsixel < 1.10.3
libsixel_project/libsixel < 1.10.3
Published Jan 25, 2022
Tracked Since Feb 18, 2026