Cyber Resilience

CVE-2020-10735

High

Published: 09 September 2022

Published
09 September 2022
Modified
03 November 2025
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0038 60.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-10735 is a high-severity Incorrect Type Conversion or Cast (CWE-704) vulnerability in Python Python. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 39.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

int() for binary bases 2, 4, 8, 16, and 32 are not affected). The highest threat from this vulnerability is to system availability.

CWE(s)
CWE-704

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

python
python
3.11.0 · 3.7.0 — 3.7.14 · 3.8.0 — 3.8.14 · 3.9.0 — 3.9.14
redhat
quay
3.0.0
redhat
software collections
all versions
fedoraproject
fedora
35, 36, 37
redhat
enterprise linux
8.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References