CVE-2025-29917 MEDIUM

CVE-2025-29917: Suricata decode_base64: signature can do large memory allocation

Vendor Oisf
Product suricata
Weakness CWE-770 · Uncontrolled resource consumption
Published April 10, 2025
Last update April 11, 2025
View on NVD All CVEs

CVSS base score

6.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:L/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. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9.

Key dates

02Disclosure timeline

April 10, 2025 CVE published
April 11, 2025 Record updated