#VU120164 NULL pointer dereference in FreeBSD - CVE-2025-14769

 

#VU120164 NULL pointer dereference in FreeBSD - CVE-2025-14769

Published: December 17, 2025


Vulnerability identifier: #VU120164
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-14769
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FreeBSD
Software vendor:
FreeBSD Foundation

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 ipfw when processing incoming packets under certain configurations involving tcp-setmss. A remote attacker can send specially crafted packets to the system and perform a denial of service attack.



Remediation

Install updates from vendor's website.

External links