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CVE-2020-10735

Public on 2022-09-09
Modified on 2024-01-12
Description

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.

Severity
Medium
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CVSS v3 Base Score
7.5
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core python3 2022-12-01 20:31 ALAS2-2022-1896
Amazon Linux 2023 python3.9 2023-03-06 17:50 ALAS2023-2023-116
Amazon Linux 2 - Python3.8 Extra python38 2023-08-21 21:00 ALAS2PYTHON3.8-2023-007

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Red Hat: CVE-2020-10735 Mitre: CVE-2020-10735 FAQs regarding Amazon Linux ALAS/CVE Severity