CVE-2021-45340

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.

• CWE-476

• https://github.com/libsixel/libsixel/issues/51Exploit, Issue Tracking, Patch, Third Party Advisory
• https://github.com/libsixel/libsixel/issues/51Exploit, Issue Tracking, Patch, Third Party Advisory

Published

Jan 25, 2022

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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