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.

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.

Affected products

Weakness classification (CWE)

References

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.