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Status published
Medium
CVE-2024-37151
Suricata defrag: IP ID reuse can lead to policy bypass
Vulnerability Description
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Mishandling of multiple fragmented packets using the same IP ID value can lead to packet reassembly failure, which can lead to policy bypass. Upgrade to 7.0.6 or 6.0.20. When using af-packet, enable `defrag` to reduce the scope of the problem.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/OISF/suricata/security/advisories/GHSA-qrp7-g66m-px24
- https://github.com/OISF/suricata/commit/9d5c4273cb7e5ca65f195f7361f0d848c85180e0
- https://github.com/OISF/suricata/commit/aab7f35c76721df19403a7c0c0025feae12f3b6b
- https://redmine.openinfosecfoundation.org/issues/7041
- https://redmine.openinfosecfoundation.org/issues/7042
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Affected Vendor
OISF
View all reports →Affected Software
suricata
Vulnerable Versions:
>= 6.0.0, < 6.0.20, >= 7.0.0,< 7.0.6
Timeline
Official Publish:
July 11th, 2024
Last Modified:
November 3rd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N