django@4.0.6 vulnerabilities

A high-level Python web framework that encourages rapid development and clean, pragmatic design.

Direct Vulnerabilities

Known vulnerabilities in the django package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • M
Regular Expression Denial of Service (ReDoS)

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) in django.utils.text.Truncator.words(), whose performance can be degraded when processing a malicious input involving repeated < characters.

Note:

The function is only vulnerable when html=True is set and the truncatewords_html template filter is in use.

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade django to version 3.2.25, 4.2.11, 5.0.3 or higher.

[,3.2.25) [4.0a1,4.2.11) [5.0a1,5.0.3)
  • M
Denial of Service (DoS)

Affected versions of this package are vulnerable to Denial of Service (DoS) via the NFKC normalization function in django.contrib.auth.forms.UsernameField. A potential attack can be executed via certain inputs with a very large number of Unicode characters.

Note: This vulnerability is only exploitable on Windows systems.

How to fix Denial of Service (DoS)?

Upgrade django to version 3.2.23, 4.1.13, 4.2.7 or higher.

[,3.2.23) [4.0a1,4.1.13) [4.2a1,4.2.7)
  • M
Regular Expression Denial of Service (ReDoS)

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) via the chars() and words() methods in the django.utils.text.Truncator function. An attacker can cause a denial of service by exploiting the inefficient regular expression complexity, which exhibits linear backtracking complexity and can be slow, given certain long and potentially malformed HTML inputs.

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade django to version 3.2.22, 4.1.12, 4.2.6 or higher.

[,3.2.22) [4.0,4.1.12) [4.2,4.2.6)
  • H
Denial of Service (DoS)

Affected versions of this package are vulnerable to Denial of Service (DoS) in the django.utils.encoding.uri_to_iri() function when processing inputs with a large number of Unicode characters.

How to fix Denial of Service (DoS)?

Upgrade django to version 3.2.21, 4.1.11, 4.2.5 or higher.

[,3.2.21) [4.0a1,4.1.11) [4.2a1,4.2.5)
  • H
Regular Expression Denial of Service (ReDoS)

Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) in the EmailValidator and URLValidator classes, when processing a very large number of domain name labels on emails or URLs.

How to fix Regular Expression Denial of Service (ReDoS)?

Upgrade django to version 3.2.20, 4.1.10, 4.2.3 or higher.

[,3.2.20) [4.0a1,4.1.10) [4.2a1,4.2.3)
  • H
Denial of Service (DoS)

Affected versions of this package are vulnerable to Denial of Service (DoS) when parsing multipart form data in http/multipartparser.py. An attacker can trigger the opening of a large number of uploaded files which are not subsequently closed, consuming memory or filehandling resources.

How to fix Denial of Service (DoS)?

Upgrade django to version 3.2.18, 4.0.10, 4.1.7 or higher.

[,3.2.18) [4.0a1,4.0.10) [4.1a1,4.1.7)
  • H
Denial of Service (DoS)

Affected versions of this package are vulnerable to Denial of Service (DoS) due to the parsed values of Accept-Language headers which are cached, in order to avoid repetitive parsing. If the raw value of Accept-Language headers is very large, this will cause excessive memory usage.

How to fix Denial of Service (DoS)?

Upgrade django to version 3.2.17, 4.0.9, 4.1.6 or higher.

[3.2,3.2.17) [4.0,4.0.9) [4.1,4.1.6)
  • M
Denial of Service (DoS)

Affected versions of this package are vulnerable to Denial of Service (DoS) when using internationalized URLs, due to locale parameter being interpreted as regular expression.

How to fix Denial of Service (DoS)?

Upgrade django to version 4.1.2, 4.0.8, 3.2.16 or higher.

[4.1a1,4.1.2) [4.0a1,4.0.8) [3.2a1,3.2.16)
  • H
Reflected File Download (RFD)

Affected versions of this package are vulnerable to Reflected File Download (RFD) as it is possible to set the Content-Disposition header of a FileResponse when the filename is derived from user-supplied input.

How to fix Reflected File Download (RFD)?

Upgrade django to version 3.2.15, 4.0.7, 4.1 or higher.

[,3.2.15) [4.0a1,4.0.7) [4.1rc1,4.1)