{"data":{"id":"b0364e40-3c1a-417a-9828-f9bbb750f7f8","title":"CVE-2025-6638: 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 input causes a program to use excessive CPU by making regex matching extremely slow) was found in Hugging Face Transformers library version 4.52.4, specifically in the MarianTokenizer's `remove_language_code()` method. The bug is triggered by malformed language code patterns that force inefficient regex processing, potentially crashing or freezing the system.","solution":"Update to version 4.53.0, where the vulnerability has been fixed. A patch is available at https://github.com/huggingface/transformers/commit/47c34fba5c303576560cb29767efb452ff12b8be.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-6638","publishedAt":"2025-09-12T15:15:31.770Z","cveId":"CVE-2025-6638","cweIds":["CWE-1333"],"cvssScore":"7.5","cvssSeverity":"high","severity":"high","attackType":["denial_of_service"],"issueType":"vulnerability","affectedPackages":null,"affectedVendors":["HuggingFace"],"affectedVendorsRaw":["Hugging Face Transformers"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00032,"patchAvailable":null,"disclosureDate":null,"capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["availability"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.95,"researchCategory":null,"atlasIds":null}}