Medium severity · published Apr 10, 2025
CVE-2025-29918
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine
5.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
Suricata · Oisf
before 7.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-29918
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-29918
Patch
https://github.com/OISF/suricata/commit/b14c67cbdf25fa6c7ffe0d04ddf3ebe67b12b50b
Vendor Advisory
https://github.com/OISF/suricata/security/advisories/GHSA-924c-vvm5-9mqx
Permissions Required
https://redmine.openinfosecfoundation.org/issues/7526
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/03/msg00029.html
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