#VU102567 NULL pointer dereference in libsixel - CVE-2021-45340
Published: January 13, 2025
Vulnerability identifier: #VU102567
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-45340
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libsixel
libsixel
Software vendor:
libsixel
libsixel
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the stb_image.h component. A remote attacker can trigger denial of service conditions via a crafted PICT file.
Remediation
Install update from vendor's website.