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.
History

Fri, 11 Apr 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 10 Apr 2025 21:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Suricata decode_base64: signature can do large memory allocation
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2025-04-10T21:00:05.924Z

Updated: 2025-04-11T16:03:53.438Z

Reserved: 2025-03-12T13:42:22.135Z

Link: CVE-2025-29917

cve-icon Vulnrichment

Updated: 2025-04-11T15:56:35.736Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-04-10T21:15:48.880

Modified: 2025-04-11T15:39:52.920

Link: CVE-2025-29917

cve-icon Redhat

No data.