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CVE-2024-32663

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CVE-2024-32663

Published: May 7, 2024

Modified: Nov 3, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.5 and 6.0.19, a small amount of HTTP/2 traffic can lead to Suricata using a large amount of memory. The issue has been addressed in Suricata 7.0.5 and 6.0.19. Workarounds include disabling the HTTP/2 parser and reducing `app-layer.protocols.http2.max-table-size` value (default is 65536).

VendorProductVersions

OISF

suricata

affected
>= 7.0.0, <= 7.0.4
affected
>= 6.0.0, <= 6.0.18

Weaknesses (CWE)

CWE-400
CWE-770

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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