Regular Expression Denial Of Service (ReDoS)

Hugging Face Transformers is vulnerable to Regular Expression Denial of Service ReDoS. The vulnerability is due to the use of a regex pattern /^/^// in the converttfweightnametoptweightname function, which allows attackers to craft malicious input strings causing catastrophic backtracking and...

Regular Expression Denial of Service (ReDoS)

Overview transformers is a State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the converttfweightnametoptweightname function. An attacker can cause excessive CPU consumption and disru...

PT-2025-32158 · Hugging Face · Huggingface/Transformers

Name of the Vulnerable Software and Affected Versions: Hugging Face Transformers versions up to 4.51.3 Description: A Regular Expression Denial of Service ReDoS vulnerability exists in the convert tf weight name to pt weight name function of the Hugging Face Transformers library. This function,...