CVE-2025-64335

HIGH EPSS 27.8%
Published Nov 26, 20257mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Nov 26, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

Suricata is a network IDS, IPS and NSM engine developed by the OISF (Open Information Security Foundation) and the Suricata community. In versions from 8.0.0 to before 8.0.2, a NULL dereference can occur when the entropy keyword is used in conjunction with base64_data. This issue has been patched in version 8.0.2. A workaround involves disabling rules that use entropy in conjunction with base64_data.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
27.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 1

VendorProductVersionRange
oisfsuricata*≥8.0.0  –  <8.0.2

References 4

  • github.com https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012
    Patch
  • github.com https://github.com/OISF/suricata/security/advisories/GHSA-v299-h7p3-q4f2
    Third Party Advisory
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2025-64335-detect-suricata-vulnerability
  • vicarius.io https://www.vicarius.io/vsociety/posts/cve-2025-64335-mitigate-suricata-vulnerability

Remediation

  • github.com https://github.com/OISF/suricata/commit/c935f08cd988600fd0a4f828a585b181dd5de012
    Patch