CVE-2025-3933

MEDIUM

5.3

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 `<s_(.*?)>` 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.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published7/11/2025

Last Modified8/7/2025

Sourcenvd

Honeypot Sightings0

Affected Products

huggingface:transformers

Weaknesses (CWE)

CWE-1333

References

https://github.com/huggingface/transformers/commit/ebbe9b12dd75b69f92100d684c47f923ee262a93(security@huntr.dev)

https://huntr.com/bounties/25282953-5827-4384-bb6f-5790d275721b(security@huntr.dev)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.