Security Advisory

CVE-2025-6051

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-14 17:03:02

Last updated 2025-09-15 15:59:54

Assigner @huntr_ai

State PUBLISHED

Description

A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically within the `normalize_numbers()` method of the `EnglishNormalizer` class. This vulnerability affects versions up to 4.52.4 and is fixed in version 4.53.0. The issue arises from the methods handling of numeric strings, which can be exploited using crafted input strings containing long sequences of digits, leading to excessive CPU consumption. This vulnerability impacts text-to-speech and number normalization tasks, potentially causing service disruption, resource exhaustion, and API vulnerabilities.

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