#VU118787 NULL pointer dereference in 7-Zip - CVE-2025-53817
Published: November 26, 2025
Vulnerability identifier: #VU118787
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-53817
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
7-Zip
7-Zip
Software vendor:
7-zip.org
7-zip.org
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 in the Compound handler. A remote attacker can trick the victim into opening a specially crafted archive and crash the application.
Remediation
Install update from vendor's website.