CVE-2025-29918

MEDIUM

Suricata < 7.0.9 - Denial of Service via Negated PCRE Rule Infinite Loop

Title source: llm

Description

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.

References (4)

Core 4

Core References

Mailing List

https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html

Vendor Advisory x_refsource_confirm

https://github.com/OISF/suricata/security/advisories/GHSA-924c-vvm5-9mqx

Patch x_refsource_misc

https://github.com/OISF/suricata/commit/b14c67cbdf25fa6c7ffe0d04ddf3ebe67b12b50b

View Patch ZIP pw:eip

Permissions Required x_refsource_misc

https://redmine.openinfosecfoundation.org/issues/7526

Scores

CVSS v3 6.2

EPSS 0.0022

EPSS Percentile 12.7%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-835

Status published

Products (1)

oisf/suricata < 7.0.9

Published Apr 10, 2025

Tracked Since Feb 18, 2026