7.5

CVE-2026-45769

ikev2: unbounded client transform storage can lead to resource exhaustion

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5,IKEv2 parser state could grow without bounds while storing client transforms. Repeated crafted UDP traffic may cause Suricata to consume excessive memory, potentially resulting in denial of service. Versions 7.0.16 and 8.0.5 fix the issue. Some workarounds are available. Disable IKE application-layer parsing if it is not needed. Alternatively, use a rule to bypass ike flows after the first packets like `alert ike any any -> any any (sid: 2; flow.pkts_toserver: > 256; bypass; noalert;)`.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Oisf ≫ Suricata Version >= 7.0.0 < 7.0.16
Oisf ≫ Suricata Version >= 8.0.0 < 8.0.5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

https://forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315
Vendor Advisory
Release Notes
https://github.com/OISF/suricata/security/advisories/GHSA-hg2g-r464-5593
Third Party Advisory
https://redmine.openinfosecfoundation.org/issues/8415
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