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 stuck in infinite loop limiting visibility and availability in inline mode. This vulnerability is fixed in 7.0.9.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
VendorProductVersion
oisfsuricata
𝑥
< 7.0.9
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
suricata
bullseye
vulnerable
bookworm
no-dsa
bullseye (security)
1:6.0.1-3+deb11u1
fixed
trixie
1:7.0.10-1
fixed
sid
1:7.0.10-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
suricata
plucky
needs-triage
oracular
ignored
noble
needs-triage
jammy
needs-triage
focal
dne
bionic
needs-triage
xenial
needs-triage
Common Weakness Enumeration
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