CVE-2024-47522 HIGH

CVE-2024-47522: Suricata ja4: invalid alpn leads to panic

Vendor Oisf
Product suricata
Weakness CWE-617
Published October 16, 2024
Last update April 2, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to version 7.0.7, invalid ALPN in TLS/QUIC traffic when JA4 matching/logging is enabled can lead to Suricata aborting with a panic. This issue has been addressed in 7.0.7. One may disable ja4 as a workaround.

Key dates

02Disclosure timeline

October 16, 2024 CVE published
April 2, 2026 Record updated