#VU118808 Heap-based buffer overflow in Suricata - CVE-2025-64330

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Main Vulnerability Database Vulnerabilities #VU118808

#VU118808 Heap-based buffer overflow in Suricata - CVE-2025-64330

Published: November 27, 2025


Vulnerability identifier: #VU118808
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-64330
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Suricata
Software vendor:
Open Information Security Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error when logging the verdict in eve.alert and eve.drop records. A remote attacker can generate multiple alerts to fill the per packet alert queue and perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links