EIP-2026-104544

PRE-CVE

OpenBSD 3.3 - 'Semget()' Integer Overflow (1)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104544. PoCs published by blexim.

AI-analyzed exploit summary This exploit targets a vulnerability in OpenBSD's semget() system call, where insufficient sanity checks on the user-supplied nsems value allow kernel memory corruption. The PoC manipulates kernel parameters to bypass limits and trigger the vulnerability.

Description

OpenBSD 3.3 - 'Semget()' Integer Overflow (1)

Exploits (1)

exploitdb WORKING POC VERIFIED
by blexim · clocalopenbsd
https://www.exploit-db.com/exploits/23046

This exploit targets a vulnerability in OpenBSD's semget() system call, where insufficient sanity checks on the user-supplied nsems value allow kernel memory corruption. The PoC manipulates kernel parameters to bypass limits and trigger the vulnerability.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: OpenBSD 3.3
No auth needed
Prerequisites: Access to the target system · Ability to execute arbitrary code
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026