Python CVE-2020-10735 Denial of Service Vulnerability

description-logoDescription

A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using int("text"), a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits (float, decimal, int.from_bytes(), and int() for binary bases 2, 4, 8, 16, and 32 are not affected). The highest threat from this vulnerability is to system availability.

affected-products-logoAffected Applications

Python

Version Updates

Date Version Status Detail
2026-02-17 1.00955
Modified
Python
2025-11-19 1.00938
Modified
Python
2025-11-04 1.00932
Modified
Python
2025-07-14 1.00880
Modified
Python
2023-01-20 1.00382
New
Python