CVE-2025-12970
Quick assessment
Affected
FluentBit Fluent Bit
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Fluent Bit是Fluent开源的一款使用C语言编写的开源日志处理和分析系统。 Fluent Bit存在安全漏洞，该漏洞源于未验证容器名称长度，可能导致缓冲区溢出，引发进程崩溃或执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-12970
Vulnerability Information
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Vulnerability Title
CVE-2025-12970
Source: CVE Program / CVE List V5
Vulnerability Description
The extract_name function in Fluent Bit in_docker input plugin copies container names into a fixed size stack buffer without validating length. An attacker who can create containers or control container names, can supply a long name that overflows the buffer, leading to process crash or arbitrary code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fluent Bit 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fluent Bit是Fluent开源的一款使用C语言编写的开源日志处理和分析系统。 Fluent Bit存在安全漏洞，该漏洞源于未验证容器名称长度，可能导致缓冲区溢出，引发进程崩溃或执行任意代码。
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 |
|---|---|---|---|---|
| FluentBit | Fluent Bit | 0 ~ 4.0.12 | - |
|
II. Public POCs for CVE-2025-12970
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2025-12970 (2)
Same Patch Batch · FluentBit · 2025-11-24 · 5 CVEs total
| CVE-2025-12978 | CVE-2025-12978 | |
| CVE-2025-12972 | CVE-2025-12972 | |
| CVE-2025-12969 | CVE-2025-12969 | |
| CVE-2025-12977 | CVE-2025-12977 |
IV. Related Vulnerabilities
V. Comments for CVE-2025-12970
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