CVE-2025-6638— Regular Expression Denial of Service (ReDoS) in huggingface/transformers
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I. Basic Information for CVE-2025-6638
Vulnerability Information
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Vulnerability Title
Regular Expression Denial of Service (ReDoS) in huggingface/transformers
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically affecting the MarianTokenizer's `remove_language_code()` method. This vulnerability is present in version 4.52.4 and has been fixed in version 4.53.0. The issue arises from inefficient regex processing, which can be exploited by crafted input strings containing malformed language code patterns, leading to excessive CPU consumption and potential denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hugging Face Transformers 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hugging Face Transformers是Hugging Face开源的为 Jax、PyTorch 和 TensorFlow 打造的先进的自然语言处理。 Hugging Face Transformers 4.52.4版本存在安全漏洞，该漏洞源于MarianTokenizer的remove_language_code方法存在正则表达式处理效率问题，可能导致正则表达式拒绝服务。
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 |
|---|---|---|---|---|
| huggingface | huggingface/transformers | unspecified ~ 4.53.0 | - |
II. Public POCs for CVE-2025-6638
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|---|
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IV. Related Vulnerabilities
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Same weakness: CWE-1333
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V. Comments for CVE-2025-6638
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