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CVE-2025-1217— Header parser of http stream wrapper does not handle folded headers

Quick assessment

Affected
PHP Group PHP
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.

PHP是PHP的一种在服务器端执行的脚本语言。 PHP 8.1.32之前版本、8.2.28之前版本、8.3.19之前版本和8.4.5之前版本存在安全漏洞，该漏洞源于http请求模块解析服务器返回的HTTP响应时，折叠标头解析不正确，可能导致误解响应和使用错误的标头、MIME类型等。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.57% · P46

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2025-1217

Vulnerability Information
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Vulnerability Title
Header parser of http stream wrapper does not handle folded headers
Source: CVE Program / CVE List V5
Vulnerability Description
In PHP from 8.1.* before 8.1.32, from 8.2.* before 8.2.28, from 8.3.* before 8.3.19, from 8.4.* before 8.4.5, when http request module parses HTTP response obtained from a server, folded headers are parsed incorrectly, which may lead to misinterpreting the response and using incorrect headers, MIME types, etc.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y/R:A
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
PHP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHP是PHP的一种在服务器端执行的脚本语言。 PHP 8.1.32之前版本、8.2.28之前版本、8.3.19之前版本和8.4.5之前版本存在安全漏洞，该漏洞源于http请求模块解析服务器返回的HTTP响应时，折叠标头解析不正确，可能导致误解响应和使用错误的标头、MIME类型等。
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
PHP Group PHP 8.1.* ~ 8.1.32 -

II. Public POCs for CVE-2025-1217

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III. Intelligence Information for CVE-2025-1217

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IV. Related Vulnerabilities

Same product: PHP
Same vendor: PHP Group
Same weakness: CWE-20

V. Comments for CVE-2025-1217

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