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…

PriorityP423medium5.5CVSS 3.1

AVLACLPRLUINSUCNINAH

EPSS

0.22%

12.8th percentile

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

5 ranges

Vendor	Product	Version range	Fixed in
debian	suricata	< suricata 1:6.0.1-3+deb11u1 (bullseye)	suricata 1:6.0.1-3+deb11u1 (bullseye)
oisf	suricata	< 7.0.9	7.0.9
oisf	suricata	>= 0 < 1:6.0.1-3+deb11u1	1:6.0.1-3+deb11u1
oisf	suricata	>= 0 < 1:7.0.9-1	1:7.0.9-1
oisf	suricata	>= 0 < 1:7.0.9-1	1:7.0.9-1

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

osv5.5MEDIUM

vendor_debian6.2MEDIUM

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