Vulnerability in Oisf Suricata
CVE-2026-46352
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Starting in version 8.0.0 and prior to version 8.0.5, Suricata's IP defragmentation code could deadlock when processing fragmented traffic containing an encapsulated tunnel protocol whose payload is itself fragmented. Version 8.0.5 contains a fix. No known workarounds are available.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Oisf Suricata — versions >= 8.0.0, < 8.0.5
Weakness classification (CWE)
References
- github.com/OISF/suricata/security/advisories/GHSA-rc34-46x6-mxxm (Vendor Advisory)
- forum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315 (Release Notes, Vendor Advisory)
- redmine.openinfosecfoundation.org/issues/8550 (Permissions Required)
Frequently asked questions
- What is CVE-2026-46352?
- CVE-2026-46352 is a high-severity vulnerability in Oisf Suricata, classified under CWE-833. CVSS score: 7.5/10. Published 2026-09-16.
- How severe is CVE-2026-46352?
- High severity. CVSS v3 base score is 7.5 out of 10.