CVE-2025-29917

MEDIUM EPSS 12.4%
Published Apr 10, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 10, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
12.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
oisfsuricata* <7.0.9

References 3

  • github.com https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0
    Patch
  • github.com https://github.com/OISF/suricata/security/advisories/GHSA-x8c9-8553-j9px
    Vendor Advisory
  • redmine.openinfosecfoundation.org https://redmine.openinfosecfoundation.org/issues/7613
    Permissions Required

Remediation

  • github.com https://github.com/OISF/suricata/commit/32d0bd2bbb4d486623dec85a94952fde2515f2f0
    Patch