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CVE-2024-29904— CodeIgniter4 Language class DoS Vulnerability

Quick assessment

Affected
codeigniter4 CodeIgniter4
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.

CodeIgniter是一款使用PHP语言编写的开源Web框架。 CodeIgniter v4.4.7及之前版本存在安全漏洞，该漏洞源于在 Language 类中包含安全问题，攻击者利用该漏洞可以消耗大量服务器内存。

CVSS 7.5 · High EPSS 0.77% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-29904

Vulnerability Information
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Vulnerability Title
CodeIgniter4 Language class DoS Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
CodeIgniter is a PHP full-stack web framework A vulnerability was found in the Language class that allowed DoS attacks. This vulnerability can be exploited by an attacker to consume a large amount of memory on the server. Upgrade to v4.4.7 or later.
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
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
CodeIgniter 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CodeIgniter是一款使用PHP语言编写的开源Web框架。 CodeIgniter v4.4.7及之前版本存在安全漏洞，该漏洞源于在 Language 类中包含安全问题，攻击者利用该漏洞可以消耗大量服务器内存。
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
codeigniter4 CodeIgniter4 < 4.4.7 -

II. Public POCs for CVE-2024-29904

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 7361 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
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III. Intelligence Information for CVE-2024-29904

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Patches & Fixes for CVE-2024-29904 (1)

Vendor Advisories for CVE-2024-29904 (1)

IV. Related Vulnerabilities

Same product: CodeIgniter4
Same vendor: codeigniter4
Same weakness: CWE-835

V. Comments for CVE-2024-29904

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