CVE-2024-32663

7.5 HIGH
Published: May 07, 2024 Modified: November 03, 2025

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).

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r
Source: security-advisories@github.com
Vendor Advisory
https://redmine.openinfosecfoundation.org/issues/6892
Source: security-advisories@github.com
Issue Tracking
https://redmine.openinfosecfoundation.org/issues/6900
Source: security-advisories@github.com
Issue Tracking
https://github.com/OISF/suricata/security/advisories/GHSA-9jxm-qw9v-266r
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://redmine.openinfosecfoundation.org/issues/6892
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
https://redmine.openinfosecfoundation.org/issues/6900
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking

15 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.3%
51th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

oisf