CVE-2026-46352

Suricata defrag: fragmented encapsulated traffic with fragments can lead to deadlock

State
Published
Severity
7.5 High
Published
Sep 16, 2026
Updated
Sep 17, 2026
Reserved
May 13, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HGitHub_M

Weaknesses

Affected Products

ProductVersions
suricataOISF
  • >= 8.0.0, < 8.0.5Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.