CVE-2025-3264: A Regular Expression Denial of Service (ReDoS) vulnerability was discovered in the Hugging Face Transformers library, sp
Summary
A ReDoS vulnerability (regular expression denial of service, where specially crafted text causes a regex pattern to consume excessive CPU) was found in Hugging Face Transformers library version 4.49.0, specifically in code that filters Python try/except blocks. Attackers could exploit this to crash or slow down systems using the library, potentially disrupting model serving or supply chain processes.
Solution / Mitigation
Update to version 4.51.0, where the vulnerability is fixed.
Vulnerability Details
EPSS: 0.0%
Classification
Taxonomy References
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-3264
First tracked: February 15, 2026 at 08:46 PM
Classified by LLM (prompt v3) · confidence: 95%