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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-46695
HistoryNov 02, 2023 - 6:15 a.m.

CVE-2023-46695

2023-11-0206:15:08
Debian Security Bug Tracker
security-tracker.debian.org
18
cve-2023-46695
django 3.2
nfkc normalization
dos
windows
unicode

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.4

Confidence

Low

EPSS

0.001

Percentile

28.0%

An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

6.4

Confidence

Low

EPSS

0.001

Percentile

28.0%