CVE-2011-1656

NetBSD 5.1 - 'libc/net' Multiple Stack Buffer Overflows

STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-1656. PoCs published by Maksymilian Arciemowicz.

AI-analyzed exploit summary This exploit triggers a stack-based buffer overflow in NetBSD's libc/net library via the getservbyname function by passing an overly long string. It demonstrates a denial-of-service (DoS) condition and potential arbitrary code execution.

Description

NetBSD 5.1 - 'libc/net' Multiple Stack Buffer Overflows

Exploits (1)

exploitdb WORKING POC VERIFIED
by Maksymilian Arciemowicz · cremotebsd
https://www.exploit-db.com/exploits/35919

This exploit triggers a stack-based buffer overflow in NetBSD's libc/net library via the getservbyname function by passing an overly long string. It demonstrates a denial-of-service (DoS) condition and potential arbitrary code execution.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: NetBSD libc/net library
No auth needed
Prerequisites: NetBSD system with vulnerable libc/net library
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status draft
Tracked Since Feb 18, 2026