CVE-2025-3263 Information

Jul 08, 2025 cve

Description

A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library specifically in the get_configuration_file() function within the transformers.configuration_utils module. The affected version is 4.49.0 and the issue is resolved in version 4.51.0. The vulnerability arises from the use of a regular expression pattern config\.(.)\.json that can be exploited to cause excessive CPU consumption through crafted input strings leading to catastrophic backtracking. This can result in model serving disruption resource exhaustion and increased latency in applications using the library.

Reference

https://github.com/huggingface/transformers/commit/0720e206c6ba28887e4d60ef60a6a089f6c1cc76 https://huntr.com/bounties/c7a69150-54f8-4e81-8094-791e7a2a0f29

CNNVD-202507-660 (Published: 2025-07-07)

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