Memory Allocation Vulnerability in Suricata Network Intrusion Detection System
CVE-2025-29916

5.5MEDIUM

Key Information:

Vendor

Oisf

Status
Suricata
Vendor
CVE Published:
10 April 2025

What is CVE-2025-29916?

A vulnerability discovered in Suricata, a robust network Intrusion Detection and Prevention System, allows for excessive memory allocation when untrusted rules specify a large hashsize. This oversight poses a risk of denial of service due to resource starvation, affecting the operational integrity of the system. It is crucial for users to update to version 7.0.9 or later to mitigate this risk comprehensively.

Affected Version(s)

suricata < 7.0.9

References

https://github.com/OISF/suricata/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/OISF/suricata/commit/a7713db709b8a0be5...
x_refsource_MISC
https://redmine.openinfosecfoundation.org/issues/7615
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-29916 : Memory Allocation Vulnerability in Suricata Network Intrusion Detection System