CVE-2025-29916Allocation of Resources Without Limits or Throttling in Suricata

Severity
5.5MEDIUMNVD
CNA6.2
EPSS
0.1%
top 80.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 10

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Datasets declared in rules have an option to specify the `hashsize` to use. This size setting isn't properly limited, so the hash table allocation can be large. Untrusted rules can lead to large memory allocations, potentially leading to denial of service due to resource starvation. 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:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

CVEListV5oisf/suricata< 7.0.9
NVDoisf/suricata< 7.0.9
Debianoisf/suricata< 1:7.0.9-1+1

Patches

🔴Vulnerability Details

2
CVEList
Suricata datasets: ruleset declared settings can lead to resource starvation2025-04-10
OSV
CVE-2025-29916: Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine2025-04-10

📋Vendor Advisories

1
Debian
CVE-2025-29916: suricata - Suricata is a network Intrusion Detection System, Intrusion Prevention System an...2025
CVE-2025-29916 — Oisf Suricata vulnerability | cvebase