{"id":"CVE-2020-10735","revision":"425b253c1e26405eba9c6c1a660c6981","records":[{"revision":"425b253c1e26405eba9c6c1a660c6981","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-10735","aliases":[],"title":"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.fr…","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.","state":0,"publishedAt":"2022-09-09T00:00:00+00:00","modifiedAt":"2026-10-14T08:55:09.442+00:00","affected":[{"ecosystem":"Vendor product","name":"python","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"python\",\n                    \"versions\": [\n                        {\n                            \"version\": \"python 3.7\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://access.redhat.com/security/cve/CVE-2020-10735","https://github.com/python/cpython/issues/95778","https://docs.google.com/document/d/1KjuF_aXlzPUxTK4BMgezGJ2Pn7uevfX7g0_mvgHlL7Y","https://bugzilla.redhat.com/show_bug.cgi?id=1834423","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4EWKR2SPX3JORLWCXFY3KN2U5B5CIUQQ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2VCU6EVQDIXNCEDJUCTFIER2WVNNDTYZ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V7ZUJDHK7KNG6SLIFXW7MNZ6O2PUJYK6/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSRPVJZL6DJFWKYRHMNJB7VCEUCBKRF5/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XL6E5A3I36TRR73VNBOXNIQP4AMZDFZ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/32AAQKABEKFCB5DDV5OONRZK6BS23HPW/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4ZZV4CDFRMTPDBI7C5L43RFL3XLIGUY/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SZYJSGLSCQOKXXFVJVJQAXLEOJBIWGEL/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OT5WQB7Z3CXOWVBD2AFAHYPA5ONYFFZ4/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBPDVCDIUCEBE7C4NAGNA2KQJYOTPBAZ/","http://www.openwall.com/lists/oss-security/2022/09/21/1","http://www.openwall.com/lists/oss-security/2022/09/21/4","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKYE2DOI2X7WZXAWTQJZAXYIWM37HDCY/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OT5U223OE5ZOUHZAZYSYSWVJQIKDE73E/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PD7FTLJOIGMUSCDR3JAN6WRFHJEE4PH5/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/76YE7AM37MRU76XJV4M27CWDAMUGNRYK/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZEOAJWGGY55QU35UM2OVZATBW5MX2OZD/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NHC6IUU7CLRQ3QLPWUXLONSG3SXFTR47/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TD7JDDKJXK6D26XAN3YRFNM2LAJHT5UO/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXF6MQ74HVIDDSR5AE2UDR24I6D4FEPC/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFGV7P2PYFBMK32OKHCAC2ZPJQV5AUDF/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMWPRAAJS7I6U3U45V7GZVXWNSECI22M/","https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-10735","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-10735","identifiers":["CVE-2020-10735"]},"retained":false,"historicalAffected":[]}],"coverage":[]}