SB2025121715 - Remote denial of service in FreeBSD ipfw
Published: December 17, 2025
Security Bulletin ID
SB2025121715
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2025-14769)
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 update from vendor's website.