Use of insufficiently random values in Suricata - CVE-2024-47188
Published: October 16, 2024 / Updated: April 27, 2026
Vulnerability identifier: #VU128036
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-47188
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Open Information Security Foundation
Affected software:
Suricata
Suricata
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to use of insufficiently random values in http/byte-ranges byte-range tracking when processing byte-range data. A remote attacker can force large amounts of data into a single hash bucket to cause a denial of service.
The issue results in predictable hash table behavior and can lead to severe performance degradation.
How to mitigate CVE-2024-47188
Install security update from vendor's website.