CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2025-6921

The huggingface/transformers library, versions prior to 4.53.0, is vulnerable to Regular Expression Denial of Service (ReDoS) in the AdamWeightDecay optimizer. The vulnerability arises from the _do_use_weight_decay method, which processes user-controlled regular expressions in the include_in_weight_decay and exclude_from_weight_decay lists. Malicious regular expressions can cause catastrophic backtracking during the re.search call, leading to 100% CPU utilization and a denial of service. This issue can be exploited by attackers who can control the patterns in these lists, potentially causing the machine learning task to hang and rendering services unresponsive.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 15.1%

CVSS Severity

CVSS v3 Score 5.3

References

Products affected by CVE-2025-6921

Huggingface » Transformers » Version: N/A

cpe:2.3:a:huggingface:transformers:-
Huggingface » Transformers » Version: 0.1.2

cpe:2.3:a:huggingface:transformers:0.1.2
Huggingface » Transformers » Version: 0.2.0

cpe:2.3:a:huggingface:transformers:0.2.0
Huggingface » Transformers » Version: 0.3.0

cpe:2.3:a:huggingface:transformers:0.3.0
Huggingface » Transformers » Version: 0.4.0

cpe:2.3:a:huggingface:transformers:0.4.0
Huggingface » Transformers » Version: 0.5.0

cpe:2.3:a:huggingface:transformers:0.5.0
Huggingface » Transformers » Version: 0.5.1

cpe:2.3:a:huggingface:transformers:0.5.1
Huggingface » Transformers » Version: 0.6.0

cpe:2.3:a:huggingface:transformers:0.6.0
Huggingface » Transformers » Version: 0.6.1

cpe:2.3:a:huggingface:transformers:0.6.1
Huggingface » Transformers » Version: 0.6.2

cpe:2.3:a:huggingface:transformers:0.6.2
Huggingface » Transformers » Version: 1.0.0

cpe:2.3:a:huggingface:transformers:1.0.0
Huggingface » Transformers » Version: 1.1.0

cpe:2.3:a:huggingface:transformers:1.1.0
Huggingface » Transformers » Version: 1.2.0

cpe:2.3:a:huggingface:transformers:1.2.0
Huggingface » Transformers » Version: 2.0.0

cpe:2.3:a:huggingface:transformers:2.0.0
Huggingface » Transformers » Version: 2.1.0

cpe:2.3:a:huggingface:transformers:2.1.0
Huggingface » Transformers » Version: 2.1.1

cpe:2.3:a:huggingface:transformers:2.1.1
Huggingface » Transformers » Version: 2.10.0

cpe:2.3:a:huggingface:transformers:2.10.0
Huggingface » Transformers » Version: 2.11.0

cpe:2.3:a:huggingface:transformers:2.11.0
Huggingface » Transformers » Version: 2.2.0

cpe:2.3:a:huggingface:transformers:2.2.0
Huggingface » Transformers » Version: 2.2.1

cpe:2.3:a:huggingface:transformers:2.2.1
Huggingface » Transformers » Version: 2.2.2

cpe:2.3:a:huggingface:transformers:2.2.2
Huggingface » Transformers » Version: 2.3.0

cpe:2.3:a:huggingface:transformers:2.3.0
Huggingface » Transformers » Version: 2.4.0

cpe:2.3:a:huggingface:transformers:2.4.0
Huggingface » Transformers » Version: 2.4.1

cpe:2.3:a:huggingface:transformers:2.4.1
Huggingface » Transformers » Version: 2.5.0

cpe:2.3:a:huggingface:transformers:2.5.0
Huggingface » Transformers » Version: 2.5.1

cpe:2.3:a:huggingface:transformers:2.5.1
Huggingface » Transformers » Version: 2.6.0

cpe:2.3:a:huggingface:transformers:2.6.0
Huggingface » Transformers » Version: 2.7.0

cpe:2.3:a:huggingface:transformers:2.7.0
Huggingface » Transformers » Version: 2.8.0

cpe:2.3:a:huggingface:transformers:2.8.0
Huggingface » Transformers » Version: 2.9.0

cpe:2.3:a:huggingface:transformers:2.9.0
Huggingface » Transformers » Version: 2.9.1

cpe:2.3:a:huggingface:transformers:2.9.1
Huggingface » Transformers » Version: 3.0.0

cpe:2.3:a:huggingface:transformers:3.0.0
Huggingface » Transformers » Version: 3.0.1

cpe:2.3:a:huggingface:transformers:3.0.1
Huggingface » Transformers » Version: 3.0.2

cpe:2.3:a:huggingface:transformers:3.0.2
Huggingface » Transformers » Version: 3.1.0

cpe:2.3:a:huggingface:transformers:3.1.0
Huggingface » Transformers » Version: 3.2.0

cpe:2.3:a:huggingface:transformers:3.2.0
Huggingface » Transformers » Version: 3.3.0

cpe:2.3:a:huggingface:transformers:3.3.0
Huggingface » Transformers » Version: 3.3.1

cpe:2.3:a:huggingface:transformers:3.3.1
Huggingface » Transformers » Version: 3.4.0

cpe:2.3:a:huggingface:transformers:3.4.0
Huggingface » Transformers » Version: 3.5.0

cpe:2.3:a:huggingface:transformers:3.5.0
Huggingface » Transformers » Version: 3.5.1

cpe:2.3:a:huggingface:transformers:3.5.1
Huggingface » Transformers » Version: 4.0.0

cpe:2.3:a:huggingface:transformers:4.0.0
Huggingface » Transformers » Version: 4.0.1

cpe:2.3:a:huggingface:transformers:4.0.1
Huggingface » Transformers » Version: 4.1.0

cpe:2.3:a:huggingface:transformers:4.1.0
Huggingface » Transformers » Version: 4.1.1

cpe:2.3:a:huggingface:transformers:4.1.1
Huggingface » Transformers » Version: 4.10.0

cpe:2.3:a:huggingface:transformers:4.10.0
Huggingface » Transformers » Version: 4.10.1

cpe:2.3:a:huggingface:transformers:4.10.1
Huggingface » Transformers » Version: 4.10.2

cpe:2.3:a:huggingface:transformers:4.10.2
Huggingface » Transformers » Version: 4.10.3

cpe:2.3:a:huggingface:transformers:4.10.3
Huggingface » Transformers » Version: 4.11.0

cpe:2.3:a:huggingface:transformers:4.11.0
Huggingface » Transformers » Version: 4.11.1

cpe:2.3:a:huggingface:transformers:4.11.1
Huggingface » Transformers » Version: 4.11.2

cpe:2.3:a:huggingface:transformers:4.11.2
Huggingface » Transformers » Version: 4.11.3

cpe:2.3:a:huggingface:transformers:4.11.3
Huggingface » Transformers » Version: 4.12.0

cpe:2.3:a:huggingface:transformers:4.12.0
Huggingface » Transformers » Version: 4.12.1

cpe:2.3:a:huggingface:transformers:4.12.1
Huggingface » Transformers » Version: 4.12.2

cpe:2.3:a:huggingface:transformers:4.12.2
Huggingface » Transformers » Version: 4.12.3

cpe:2.3:a:huggingface:transformers:4.12.3
Huggingface » Transformers » Version: 4.12.4

cpe:2.3:a:huggingface:transformers:4.12.4
Huggingface » Transformers » Version: 4.12.5

cpe:2.3:a:huggingface:transformers:4.12.5
Huggingface » Transformers » Version: 4.13.0

cpe:2.3:a:huggingface:transformers:4.13.0
Huggingface » Transformers » Version: 4.14.0

cpe:2.3:a:huggingface:transformers:4.14.0
Huggingface » Transformers » Version: 4.14.1

cpe:2.3:a:huggingface:transformers:4.14.1
Huggingface » Transformers » Version: 4.15.0

cpe:2.3:a:huggingface:transformers:4.15.0
Huggingface » Transformers » Version: 4.16.0

cpe:2.3:a:huggingface:transformers:4.16.0
Huggingface » Transformers » Version: 4.16.1

cpe:2.3:a:huggingface:transformers:4.16.1
Huggingface » Transformers » Version: 4.16.2

cpe:2.3:a:huggingface:transformers:4.16.2
Huggingface » Transformers » Version: 4.17.0

cpe:2.3:a:huggingface:transformers:4.17.0
Huggingface » Transformers » Version: 4.18.0

cpe:2.3:a:huggingface:transformers:4.18.0
Huggingface » Transformers » Version: 4.19.0

cpe:2.3:a:huggingface:transformers:4.19.0
Huggingface » Transformers » Version: 4.19.1

cpe:2.3:a:huggingface:transformers:4.19.1
Huggingface » Transformers » Version: 4.19.2

cpe:2.3:a:huggingface:transformers:4.19.2
Huggingface » Transformers » Version: 4.19.3

cpe:2.3:a:huggingface:transformers:4.19.3
Huggingface » Transformers » Version: 4.19.4

cpe:2.3:a:huggingface:transformers:4.19.4
Huggingface » Transformers » Version: 4.2.0

cpe:2.3:a:huggingface:transformers:4.2.0
Huggingface » Transformers » Version: 4.2.1

cpe:2.3:a:huggingface:transformers:4.2.1
Huggingface » Transformers » Version: 4.2.2

cpe:2.3:a:huggingface:transformers:4.2.2
Huggingface » Transformers » Version: 4.20.0

cpe:2.3:a:huggingface:transformers:4.20.0
Huggingface » Transformers » Version: 4.20.1

cpe:2.3:a:huggingface:transformers:4.20.1
Huggingface » Transformers » Version: 4.21.0

cpe:2.3:a:huggingface:transformers:4.21.0
Huggingface » Transformers » Version: 4.21.1

cpe:2.3:a:huggingface:transformers:4.21.1
Huggingface » Transformers » Version: 4.21.2

cpe:2.3:a:huggingface:transformers:4.21.2
Huggingface » Transformers » Version: 4.21.3

cpe:2.3:a:huggingface:transformers:4.21.3
Huggingface » Transformers » Version: 4.22.0

cpe:2.3:a:huggingface:transformers:4.22.0
Huggingface » Transformers » Version: 4.22.1

cpe:2.3:a:huggingface:transformers:4.22.1
Huggingface » Transformers » Version: 4.22.2

cpe:2.3:a:huggingface:transformers:4.22.2
Huggingface » Transformers » Version: 4.23.0

cpe:2.3:a:huggingface:transformers:4.23.0
Huggingface » Transformers » Version: 4.23.1

cpe:2.3:a:huggingface:transformers:4.23.1
Huggingface » Transformers » Version: 4.24.0

cpe:2.3:a:huggingface:transformers:4.24.0
Huggingface » Transformers » Version: 4.25.1

cpe:2.3:a:huggingface:transformers:4.25.1
Huggingface » Transformers » Version: 4.26.0

cpe:2.3:a:huggingface:transformers:4.26.0
Huggingface » Transformers » Version: 4.26.1

cpe:2.3:a:huggingface:transformers:4.26.1
Huggingface » Transformers » Version: 4.27.0

cpe:2.3:a:huggingface:transformers:4.27.0
Huggingface » Transformers » Version: 4.27.1

cpe:2.3:a:huggingface:transformers:4.27.1
Huggingface » Transformers » Version: 4.27.2

cpe:2.3:a:huggingface:transformers:4.27.2
Huggingface » Transformers » Version: 4.27.3

cpe:2.3:a:huggingface:transformers:4.27.3
Huggingface » Transformers » Version: 4.27.4

cpe:2.3:a:huggingface:transformers:4.27.4
Huggingface » Transformers » Version: 4.28.0

cpe:2.3:a:huggingface:transformers:4.28.0
Huggingface » Transformers » Version: 4.28.1

cpe:2.3:a:huggingface:transformers:4.28.1
Huggingface » Transformers » Version: 4.29.0

cpe:2.3:a:huggingface:transformers:4.29.0
Huggingface » Transformers » Version: 4.29.1

cpe:2.3:a:huggingface:transformers:4.29.1
Huggingface » Transformers » Version: 4.29.2

cpe:2.3:a:huggingface:transformers:4.29.2
Huggingface » Transformers » Version: 4.3.0

cpe:2.3:a:huggingface:transformers:4.3.0
Huggingface » Transformers » Version: 4.3.1

cpe:2.3:a:huggingface:transformers:4.3.1
Huggingface » Transformers » Version: 4.3.2

cpe:2.3:a:huggingface:transformers:4.3.2
Huggingface » Transformers » Version: 4.3.3

cpe:2.3:a:huggingface:transformers:4.3.3
Huggingface » Transformers » Version: 4.30.0

cpe:2.3:a:huggingface:transformers:4.30.0
Huggingface » Transformers » Version: 4.30.1

cpe:2.3:a:huggingface:transformers:4.30.1
Huggingface » Transformers » Version: 4.30.2

cpe:2.3:a:huggingface:transformers:4.30.2
Huggingface » Transformers » Version: 4.31.0

cpe:2.3:a:huggingface:transformers:4.31.0
Huggingface » Transformers » Version: 4.32.0

cpe:2.3:a:huggingface:transformers:4.32.0
Huggingface » Transformers » Version: 4.32.1

cpe:2.3:a:huggingface:transformers:4.32.1
Huggingface » Transformers » Version: 4.33.0

cpe:2.3:a:huggingface:transformers:4.33.0
Huggingface » Transformers » Version: 4.33.1

cpe:2.3:a:huggingface:transformers:4.33.1
Huggingface » Transformers » Version: 4.33.2

cpe:2.3:a:huggingface:transformers:4.33.2
Huggingface » Transformers » Version: 4.33.3

cpe:2.3:a:huggingface:transformers:4.33.3
Huggingface » Transformers » Version: 4.34.0

cpe:2.3:a:huggingface:transformers:4.34.0
Huggingface » Transformers » Version: 4.34.1

cpe:2.3:a:huggingface:transformers:4.34.1
Huggingface » Transformers » Version: 4.35.0

cpe:2.3:a:huggingface:transformers:4.35.0
Huggingface » Transformers » Version: 4.35.1

cpe:2.3:a:huggingface:transformers:4.35.1
Huggingface » Transformers » Version: 4.35.2

cpe:2.3:a:huggingface:transformers:4.35.2
Huggingface » Transformers » Version: 4.36.0

cpe:2.3:a:huggingface:transformers:4.36.0
Huggingface » Transformers » Version: 4.36.1

cpe:2.3:a:huggingface:transformers:4.36.1
Huggingface » Transformers » Version: 4.36.2

cpe:2.3:a:huggingface:transformers:4.36.2
Huggingface » Transformers » Version: 4.37.0

cpe:2.3:a:huggingface:transformers:4.37.0
Huggingface » Transformers » Version: 4.37.1

cpe:2.3:a:huggingface:transformers:4.37.1
Huggingface » Transformers » Version: 4.37.2

cpe:2.3:a:huggingface:transformers:4.37.2
Huggingface » Transformers » Version: 4.38.0

cpe:2.3:a:huggingface:transformers:4.38.0
Huggingface » Transformers » Version: 4.38.1

cpe:2.3:a:huggingface:transformers:4.38.1
Huggingface » Transformers » Version: 4.38.2

cpe:2.3:a:huggingface:transformers:4.38.2
Huggingface » Transformers » Version: 4.39.0

cpe:2.3:a:huggingface:transformers:4.39.0
Huggingface » Transformers » Version: 4.39.1

cpe:2.3:a:huggingface:transformers:4.39.1
Huggingface » Transformers » Version: 4.39.2

cpe:2.3:a:huggingface:transformers:4.39.2
Huggingface » Transformers » Version: 4.39.3

cpe:2.3:a:huggingface:transformers:4.39.3
Huggingface » Transformers » Version: 4.4.0

cpe:2.3:a:huggingface:transformers:4.4.0
Huggingface » Transformers » Version: 4.4.1

cpe:2.3:a:huggingface:transformers:4.4.1
Huggingface » Transformers » Version: 4.4.2

cpe:2.3:a:huggingface:transformers:4.4.2
Huggingface » Transformers » Version: 4.40.0

cpe:2.3:a:huggingface:transformers:4.40.0
Huggingface » Transformers » Version: 4.40.1

cpe:2.3:a:huggingface:transformers:4.40.1
Huggingface » Transformers » Version: 4.40.2

cpe:2.3:a:huggingface:transformers:4.40.2
Huggingface » Transformers » Version: 4.41.0

cpe:2.3:a:huggingface:transformers:4.41.0
Huggingface » Transformers » Version: 4.41.1

cpe:2.3:a:huggingface:transformers:4.41.1
Huggingface » Transformers » Version: 4.41.2

cpe:2.3:a:huggingface:transformers:4.41.2
Huggingface » Transformers » Version: 4.42.0

cpe:2.3:a:huggingface:transformers:4.42.0
Huggingface » Transformers » Version: 4.42.1

cpe:2.3:a:huggingface:transformers:4.42.1
Huggingface » Transformers » Version: 4.42.2

cpe:2.3:a:huggingface:transformers:4.42.2
Huggingface » Transformers » Version: 4.42.3

cpe:2.3:a:huggingface:transformers:4.42.3
Huggingface » Transformers » Version: 4.42.4

cpe:2.3:a:huggingface:transformers:4.42.4
Huggingface » Transformers » Version: 4.43.0

cpe:2.3:a:huggingface:transformers:4.43.0
Huggingface » Transformers » Version: 4.43.1

cpe:2.3:a:huggingface:transformers:4.43.1
Huggingface » Transformers » Version: 4.43.2

cpe:2.3:a:huggingface:transformers:4.43.2
Huggingface » Transformers » Version: 4.43.3

cpe:2.3:a:huggingface:transformers:4.43.3
Huggingface » Transformers » Version: 4.43.4

cpe:2.3:a:huggingface:transformers:4.43.4
Huggingface » Transformers » Version: 4.44.0

cpe:2.3:a:huggingface:transformers:4.44.0
Huggingface » Transformers » Version: 4.44.1

cpe:2.3:a:huggingface:transformers:4.44.1
Huggingface » Transformers » Version: 4.44.2

cpe:2.3:a:huggingface:transformers:4.44.2
Huggingface » Transformers » Version: 4.45.0

cpe:2.3:a:huggingface:transformers:4.45.0
Huggingface » Transformers » Version: 4.45.1

cpe:2.3:a:huggingface:transformers:4.45.1
Huggingface » Transformers » Version: 4.45.2

cpe:2.3:a:huggingface:transformers:4.45.2
Huggingface » Transformers » Version: 4.46.0

cpe:2.3:a:huggingface:transformers:4.46.0
Huggingface » Transformers » Version: 4.46.1

cpe:2.3:a:huggingface:transformers:4.46.1
Huggingface » Transformers » Version: 4.46.2

cpe:2.3:a:huggingface:transformers:4.46.2
Huggingface » Transformers » Version: 4.46.3

cpe:2.3:a:huggingface:transformers:4.46.3
Huggingface » Transformers » Version: 4.47.0

cpe:2.3:a:huggingface:transformers:4.47.0
Huggingface » Transformers » Version: 4.47.1

cpe:2.3:a:huggingface:transformers:4.47.1
Huggingface » Transformers » Version: 4.48.0

cpe:2.3:a:huggingface:transformers:4.48.0
Huggingface » Transformers » Version: 4.48.1

cpe:2.3:a:huggingface:transformers:4.48.1
Huggingface » Transformers » Version: 4.48.2

cpe:2.3:a:huggingface:transformers:4.48.2
Huggingface » Transformers » Version: 4.48.3

cpe:2.3:a:huggingface:transformers:4.48.3
Huggingface » Transformers » Version: 4.49.0

cpe:2.3:a:huggingface:transformers:4.49.0
Huggingface » Transformers » Version: 4.5.0

cpe:2.3:a:huggingface:transformers:4.5.0
Huggingface » Transformers » Version: 4.5.1

cpe:2.3:a:huggingface:transformers:4.5.1
Huggingface » Transformers » Version: 4.50.0

cpe:2.3:a:huggingface:transformers:4.50.0
Huggingface » Transformers » Version: 4.50.1

cpe:2.3:a:huggingface:transformers:4.50.1
Huggingface » Transformers » Version: 4.50.2

cpe:2.3:a:huggingface:transformers:4.50.2
Huggingface » Transformers » Version: 4.50.3

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Huggingface » Transformers » Version: 4.51.0

cpe:2.3:a:huggingface:transformers:4.51.0
Huggingface » Transformers » Version: 4.51.1

cpe:2.3:a:huggingface:transformers:4.51.1
Huggingface » Transformers » Version: 4.51.2

cpe:2.3:a:huggingface:transformers:4.51.2
Huggingface » Transformers » Version: 4.51.3

cpe:2.3:a:huggingface:transformers:4.51.3
Huggingface » Transformers » Version: 4.52.0

cpe:2.3:a:huggingface:transformers:4.52.0
Huggingface » Transformers » Version: 4.52.1

cpe:2.3:a:huggingface:transformers:4.52.1
Huggingface » Transformers » Version: 4.52.2

cpe:2.3:a:huggingface:transformers:4.52.2
Huggingface » Transformers » Version: 4.52.3

cpe:2.3:a:huggingface:transformers:4.52.3
Huggingface » Transformers » Version: 4.52.4

cpe:2.3:a:huggingface:transformers:4.52.4
Huggingface » Transformers » Version: 4.6.0

cpe:2.3:a:huggingface:transformers:4.6.0
Huggingface » Transformers » Version: 4.6.1

cpe:2.3:a:huggingface:transformers:4.6.1
Huggingface » Transformers » Version: 4.7.0

cpe:2.3:a:huggingface:transformers:4.7.0
Huggingface » Transformers » Version: 4.8.0

cpe:2.3:a:huggingface:transformers:4.8.0
Huggingface » Transformers » Version: 4.8.1

cpe:2.3:a:huggingface:transformers:4.8.1
Huggingface » Transformers » Version: 4.8.2

cpe:2.3:a:huggingface:transformers:4.8.2
Huggingface » Transformers » Version: 4.9.0

cpe:2.3:a:huggingface:transformers:4.9.0
Huggingface » Transformers » Version: 4.9.1

cpe:2.3:a:huggingface:transformers:4.9.1
Huggingface » Transformers » Version: 4.9.2

cpe:2.3:a:huggingface:transformers:4.9.2

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Vulnerability Details CVE-2025-6921

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