CVE-2025-3933
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
11/07/2025
Last modified:
07/08/2025
Description
A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, specifically within the DonutProcessor class's `token2json()` method. This vulnerability affects versions 4.50.3 and earlier, and is fixed in version 4.52.1. The issue arises from the regex pattern `` which can be exploited to cause excessive CPU consumption through crafted input strings due to catastrophic backtracking. This vulnerability can lead to service disruption, resource exhaustion, and potential API service vulnerabilities, impacting document processing tasks using the Donut model.
Impact
Base Score 3.x
5.30
Severity 3.x
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:huggingface:transformers:*:*:*:*:*:*:*:* | 4.52.1 (excluding) |
To consult the complete list of CPE names with products and versions, see this page