CVE-2025-29918: Oisf Suricata

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. A PCRE rule can be written that leads to an infinite loop when negated PCRE is used. Packet processing thread becomes stuck in infinite loop limiting visibility and availability in inline mode. This vulnerability is fixed in 7.0.9.

Affected products

• Oisf Suricata: before 7.0.9 (fixed in 7.0.9)

Published 2025-04-10. Last modified 2026-06-17.