EIP-2026-100669

PRE-CVE

FreeBSD 3.x/4.0/5.0 / NetBSD 1.4.1/1.4.2 / OpenBSD 2.x - Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100669. PoCs published by Ussr Labs.

AI-analyzed exploit summary This exploit demonstrates a denial of service (DoS) vulnerability in FreeBSD, NetBSD, and OpenBSD by manipulating socket buffer sizes in a socketpair, causing the system to panic or network applications to become unresponsive.

Description

FreeBSD 3.x/4.0/5.0 / NetBSD 1.4.1/1.4.2 / OpenBSD 2.x - Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Ussr Labs · cdosbsd
https://www.exploit-db.com/exploits/19982

This exploit demonstrates a denial of service (DoS) vulnerability in FreeBSD, NetBSD, and OpenBSD by manipulating socket buffer sizes in a socketpair, causing the system to panic or network applications to become unresponsive.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: FreeBSD, NetBSD, OpenBSD (all versions)
No auth needed
Prerequisites: Ability to execute code on the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026