CVE-2023-43665

HIGH
7.5
CVSS Score
Published: November 3, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 06:26 AM UTC
2 products affected across 2 vendorsFedoraDjango

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.2 ≤ v < 3.2.224.1 ≤ v < 4.1.124.2 ≤ v < 4.2.6
Affected range stops below 3.2.22, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.2.6, so it looks safe — our inference, not a vendor statement

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1284

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