CVE-2025-15282— Header injection via newlines in data URL mediatype
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I. Basic Information for CVE-2025-15282
Vulnerability Information
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Vulnerability Title
Header injection via newlines in data URL mediatype
Source: NVD (National Vulnerability Database)
Vulnerability Description
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对CRLF序列的转义处理不恰当(CRLF注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
CPython 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CPython是Python基金会的一个用C语言实现的Python解释器。 CPython存在安全漏洞，该漏洞源于解析用户控制的数据URL时允许通过换行符注入标头。
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 |
|---|---|---|---|---|
| Python Software Foundation | CPython | 0 ~ 3.10.20 | - |
II. Public POCs for CVE-2025-15282
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Python Software Foundation · 2026-01-20 · 6 CVEs total
| CVE-2026-0865 | wsgiref.headers.Headers allows header newline injection | |
| CVE-2025-15367 | POP3 command injection in user-controlled commands | |
| CVE-2025-15366 | IMAP command injection in user-controlled commands | |
| CVE-2025-11468 | Folding email comments of unfoldable characters doesn't preserve parenthesis | |
| CVE-2026-0672 | Header injection in http.cookies.Morsel |
IV. Related Vulnerabilities
Same product: CPython
- CVE-2026-3087
shutil.unpack_archive() doesn't check for Windows absolute p - CVE-2026-6019
BaseCookie.js_output() does not neutralize embedded characte - CVE-2026-3298
Out-of-bounds write in Windows asyncio.ProacterEventLoop.soc - CVE-2026-5713
Out-of-bounds read/write during remote profiling and asyncio - CVE-2026-4786
Incomplete mitigation of CVE-2026-4519, %action expansion fo
Same vendor: Python Software Foundation
- CVE-2026-3087
shutil.unpack_archive() doesn't check for Windows absolute p - CVE-2026-6019
BaseCookie.js_output() does not neutralize embedded characte - CVE-2026-3298
Out-of-bounds write in Windows asyncio.ProacterEventLoop.soc - CVE-2026-5713
Out-of-bounds read/write during remote profiling and asyncio - CVE-2026-4786
Incomplete mitigation of CVE-2026-4519, %action expansion fo
Same weakness: CWE-93
- CVE-2026-42257
net-imap: Command Injection via "raw" arguments to multiple - CVE-2026-41570
PHPUnit: Argument injection via newline in PHP INI values fo - CVE-2026-41417
Netty vulnerable to HTTP request smuggling and RTSP request - CVE-2026-39849
Pi-hole FTL remote code execution via newline injection in d - CVE-2026-34458
Sandboxie-Plus privilege escalation via INI CRLF injection b
V. Comments for CVE-2025-15282
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