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Critical severity9.8NVD Advisory· Published Nov 19, 2021· Updated Jun 17, 2026

CVE-2021-37592

CVE-2021-37592

Description

Suricata before 5.0.8 and 6.x before 6.0.4 allows TCP evasion via a client with a crafted TCP/IP stack that can send a certain sequence of segments.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Oisf/Suricata
cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*
Range: <5.0.8
Suricata/Suricatadescription
Suricata/Suricatallm-fuzzy
Range: <5.0.8, <6.0.4

Patches

Vulnerability mechanics

References

3

forum.suricata.io/t/suricata-6-0-4-and-5-0-8-released/1942nvdRelease NotesVendor Advisory
github.com/OISF/suricata/releasesnvdRelease NotesThird Party Advisory
redmine.openinfosecfoundation.org/issues/4569nvdPermissions RequiredThird Party Advisory

News mentions

0

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