CVE-2025-6638

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Source
https://cve.org/CVERecord?id=CVE-2025-6638
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6638.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-6638
Aliases
Related
Published
2025-09-12T11:15:31.770Z
Modified
2026-03-13T03:41:58.549103Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/huggingface/transformers

Affected ranges

Type
GIT
Repo
https://github.com/huggingface/transformers
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
51f94ea06d19a6308c61bbb4dc97c40aabd12bad
Fixed
47c34fba5c303576560cb29767efb452ff12b8be
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "4.52.4"
        }
    ]
}

Affected versions

0.*
0.1.2
0.5.0
1.*
1.0
1.1.0
1.2.0
3.*
3.0.1
4.*
4.3.0.rc1
v0.*
v0.1.2
v0.2.0
v0.3.0
v0.4.0
v0.5.0
v0.5.1
v0.6.0
v0.6.1
v0.6.2
v1.*
v1.0.0
v2.*
v2.0.0
v2.1.0
v2.1.1
v2.10.0
v2.11.0
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.4.0
v2.4.1
v2.5.0
v2.5.1
v2.6.0
v2.7.0
v2.8.0
v2.9.0
v2.9.1
v3.*
v3.0.0
v3.0.1
v3.0.2
v3.1.0
v3.2.0
v3.3.0
v3.3.1
v3.4.0
v3.5.0
v4.*
v4.0.0-rc-1
v4.1.0
v4.1.1
v4.10.0
v4.11.0
v4.12.0
v4.13.0
v4.14.0
v4.15.0
v4.16.0
v4.2.0
v4.3.0.rc1
v4.33.1
v4.4.0
v4.49.0-AyaVision
v4.49.0-Mistral-3
v4.49.0-SigLIP-2
v4.49.0-SmolVLM-2
v4.5.0
v4.50.3-DeepSeek-3
v4.51.3-BitNet-preview
v4.51.3-CSM-preview
v4.51.3-D-FINE-preview
v4.51.3-GraniteMoeHybrid-preview
v4.51.3-InternVL-preview
v4.51.3-Janus-preview
v4.51.3-LlamaGuard-preview
v4.51.3-MLCD-preview
v4.51.3-Qwen2.5-Omni-preview
v4.51.3-SAM-HQ-preview
v4.51.3-TimesFM-preview
v4.52.0
v4.52.1
v4.52.2
v4.52.3
v4.52.4
v4.6.0
v4.7.0
v4.8.0
v4.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6638.json"