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CVE-2023-43665

Good to know:

Date: November 2, 2023

In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed HTML text. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.

Language: Python

Severity Score

7.5

Related Resources (21)

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D

Url: https://security.netapp.com/advisory/ntap-20231221-0001/

Url: https://www.djangoproject.com/weblog/2023/oct/04/security-releases

Url: http://www.openwall.com/lists/oss-security/2024/03/04/1

Url: https://docs.djangoproject.com/en/4.2/releases/security/

Url: https://security.netapp.com/advisory/ntap-20231221-0001

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU

Url: https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-226.yaml

Url: https://github.com/django/django/commit/ccdade1a0262537868d7ca64374de3d957ca50c5

Url: https://github.com/django/django

Url: https://github.com/django/django/commit/c7b7024742250414e426ad49fb80db943e7ba4e8

Url: https://docs.djangoproject.com/en/4.2/releases/security

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-43665

Url: https://www.djangoproject.com/weblog/2023/oct/04/security-releases/

Url: https://groups.google.com/forum/#!forum/django-announce

Url: https://groups.google.com/forum/#%21forum/django-announce

Url: https://github.com/django/django/commit/be9c27c4d18c2e6a5be8af4e53c0797440794473

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU

Url: https://www.mend.io/vulnerability-database/CVE-2023-43665

Severity Score

7.5

Weakness Type (CWE)

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Improper Validation of Specified Quantity in Input

CWE-1284

Top Fix

Upgrade Version

Upgrade to version Django - 3.2.22,4.1.12,4.2.6

Learn More

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

Mend.io Vulnerability Database

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CVE-2023-43665

Good to know:

Date: November 2, 2023

Language: Python

Severity Score

Related Resources (21)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

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