CVE-2025-29918

5.5 mediumEPSS 0.3%

Medium (5.5) in oisf suricata. 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.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-31)
CWE: CWE-835
Published: 2025-04-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

oisf:suricata

References

https://github.com/OISF/suricata/commit/b14c67cbdf25fa6c7ffe0d04ddf3ebe67b12b50b
https://github.com/OISF/suricata/security/advisories/GHSA-924c-vvm5-9mqx
https://redmine.openinfosecfoundation.org/issues/7526
https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html

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