CVE-2005-3252: Sourcefire Snort

High severity, CVSS 7.5. EPSS: 83.9% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the Back Orifice (BO) preprocessor for Snort before 2.4.3 allows remote attackers to execute arbitrary code via a crafted UDP packet.

Affected products

• Sourcefire Snort: version 2.4.0 only; version 2.4.1 only; version 2.4.2 only

Published 2005-10-18. Last modified 2026-06-16.