Vulnerability in Oisf Suricata

CVE-2025-29918

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 stu…

EPSS: 0.002 (12.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-29918?
CVE-2025-29918 is a medium-severity vulnerability in Oisf Suricata, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.2/10. Published 2025-04-10.
How severe is CVE-2025-29918?
Medium severity. CVSS v3 base score is 6.2 out of 10.
Is CVE-2025-29918 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.