CVE-2024-55627: Oisf Suricata

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during initialization with memset due to an unsigned integer underflow. The issue has been addressed in Suricata 7.0.8.

Affected products

• Oisf Suricata: before 7.0.8 (fixed in 7.0.8)

Published 2025-01-06. Last modified 2026-06-17.