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First version without a known vulnerability: 2.0a1
Pydantic regular expression denial of service
Fixed in: 2.4.0, 1.10.13
Use of "infinity" as an input to datetime and date fields causes infinite loop in pydantic
Fixed in: 1.6.2, 1.8.2, 1.7.4, 7e83fdd2563ffac081db7ecdf1affa65ef38c468