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.
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Fri, 12 Sep 2025 12:15:00 +0000
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Fri, 12 Sep 2025 11:00:00 +0000
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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. | |
Title | Regular Expression Denial of Service (ReDoS) in huggingface/transformers | |
Weaknesses | CWE-1333 | |
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cvssV3_0
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Status: PUBLISHED
Assigner: @huntr_ai
Published:
Updated: 2025-09-12T11:52:53.854Z
Reserved: 2025-06-25T14:07:29.841Z
Link: CVE-2025-6638

Updated: 2025-09-12T11:52:48.581Z

Status : Received
Published: 2025-09-12T11:15:31.770
Modified: 2025-09-12T11:15:31.770
Link: CVE-2025-6638

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