Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-64335— Suricata is vulnerable to a null deref when used with base64_data

Quick assessment

Affected
OISF suricata
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Suricata是Open Information Security基金会的一个网络IDS、IPS和NSM引擎。 Suricata 8.0.0版本至8.0.2之前版本存在代码问题漏洞，该漏洞源于entropy关键字与base64_data一起使用时可能导致空指针取消引用。

CVSS 7.5 · High EPSS 0.41% · P33

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-64335

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Suricata is vulnerable to a null deref when used with base64_data
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Suricata 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Suricata是Open Information Security基金会的一个网络IDS、IPS和NSM引擎。 Suricata 8.0.0版本至8.0.2之前版本存在代码问题漏洞，该漏洞源于entropy关键字与base64_data一起使用时可能导致空指针取消引用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OISF suricata >= 8.0.0, < 8.0.2 -

II. Public POCs for CVE-2025-64335

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10096 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2025-64335

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-64335 (1)

Same Patch Batch · OISF · 2025-11-26 · 7 CVEs total

CVE-2025-64334 7.5 HIGH Suricata is vulnerable to unbounded memory growth for decompression
CVE-2025-64333 7.5 HIGH Suricata is vulnerable to a stack overflow from big content-type
CVE-2025-64331 7.5 HIGH Suricata is vulnerable to a stack overflow on large file transfers with http-body-printabl
CVE-2025-64332 7.5 HIGH Suricata is vulnerable to a stack overflow on larger compressed data
CVE-2025-64330 7.5 HIGH Suricata is vulnerable to a heap buffer overflow on verdict
CVE-2025-64344 7.5 HIGH Suricata is vulnerable to a stack overflow from unbounded stack allocation in LuaPushStrin

IV. Related Vulnerabilities

Same product: suricata
Same vendor: OISF
Same weakness: CWE-476

V. Comments for CVE-2025-64335

No comments yet

Leave a comment