CVE-2020-10735: fedoraproject fedora Incorrect Type Conversion or Cast

Modified

AliasesRHSA-2022:7323UBUNTU-CVE-2020-10735DEBIAN-CVE-2020-10735+9 more

Published 09-09-2022Last modified 14-10-2026

Vulnerability summary

CVE-2020-10735 is a high (CVSS 7.5) Incorrect Type Conversion or Cast vulnerability in fedoraproject fedora. EPSS estimates a 4.54% chance of exploitation in the next 30 days, higher than 91.5% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 6.2, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

7.5/10

010

High · v3.1 (NVD)

EPSS score

4.54%

0%100%

Low · -2.64 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

09-09-2022
PublishedVulnerability first disclosed.
14-10-2026
Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 7 sources · 1 version

v3.17.5

EPSS trend

Probability

4.54%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

Decrease -2.64 pp

From 7.18% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-704Incorrect Type Conversion or CastThe product does not correctly convert an object, resource, or structure from one type to a different type.

Affected systems

Version check

Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat14 products

enterprise_linux8.0
quay3.0.0
software_collectionsna
python-unversioned-command< 0:3.9.10-3.el9_0
python3< 0:3.9.10-3.el9_0

Show all 14

Ubuntu8 products

python2.7All versions (No fix recorded)
python3.10All versions (No fix recorded)
python3.4All versions (No fix recorded)
python3.5All versions (No fix recorded)
python3.6All versions (No fix recorded)

Show all 8

Chainguard3 products

python-3.10All versions (No fix recorded)
python-3.11All versions (No fix recorded)
python-3.12< 3.12.0-r0

Opensuse3 products

python-pydantic&distro=openSUSE Tumbleweed< 2.10.6-1.1
python310&distro=openSUSE Tumbleweed< 3.10.7-1.2
python39&distro=openSUSE Tumbleweed< 3.9.14-1.1

Wolfi3 products

python-3.10All versions (No fix recorded)
python-3.11All versions (No fix recorded)
python-3.12< 3.12.0-r0

Debian2 products

pypy3< 7.3.10+dfsg-1
python3.11< 3.11.0~rc2-1

Fedoraproject1 product

fedoraEOL35 | 36 | 37

Python1 product

python≥ 3.7.0, < 3.7.14 | ≥ 3.8.0, < 3.8.14 | ≥ 3.9.0, < 3.9.14 | ≥ 3.10.0, < 3.10.7 | 3.11.0:alpha1 | 3.11.0:alpha2 | 3.11.0:alpha3 | 3.11.0:alpha4 | 3.11.0:alpha5 | 3.11.0:alpha6 | 3.11.0:alpha7 | 3.11.0:beta1 | 3.11.0:beta2 | 3.11.0:beta3 | 3.11.0:beta4 | 3.11.0:beta5 | 3.11.0:rc1

8 vendors · 35 products