CVE-2020-10735
High
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.
SeverityHigh
CVSS7.5
Exploit probability92. percentile4.5%
Product
Python
PublishedSep 9, 2022
First seenSep 9, 2022
Weakness typeCWE-704CWE-704
How to fix
Update
- python python3.7.14, 3.8.14, 3.9.14, 3.10.7 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EWKR2SPX3JORLWCXFY3KN2U5B5CIUQQ/
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- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSRPVJZL6DJFWKYRHMNJB7VCEUCBKRF5/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XL6E5A3I36TRR73VNBOXNIQP4AMZDFZ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/32AAQKABEKFCB5DDV5OONRZK6BS23HPW/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4ZZV4CDFRMTPDBI7C5L43RFL3XLIGUY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SZYJSGLSCQOKXXFVJVJQAXLEOJBIWGEL/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OT5WQB7Z3CXOWVBD2AFAHYPA5ONYFFZ4/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBPDVCDIUCEBE7C4NAGNA2KQJYOTPBAZ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKYE2DOI2X7WZXAWTQJZAXYIWM37HDCY/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OT5U223OE5ZOUHZAZYSYSWVJQIKDE73E/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python python | 3.7.0 ≤ v < 3.7.14, 3.8.0 ≤ v < 3.8.14, 3.9.0 ≤ v < 3.9.14, 3.10.0 ≤ v < 3.10.7, 3.11.0 | 3.7.14, 3.8.14, 3.9.14, 3.10.7 |
| redhat quay | 3.0.0 | — |
| redhat software_collections | No range specified | — |
| fedoraproject fedora | 35, 36, 37 | — |
| redhat enterprise_linux | 8.0 | — |
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