Vulnerability advisory

PYSEC-2013-18

Published Sep 23, 2013Updated Jun 10, 2026OSV record ↗

Also known as CVE-2013-1443GHSA-4c42-4rxm-x6qf

Severity

Severity not reported.

Affected versions

django PyPI

Affected	Fixed in
`1.4` to before 1.4.8	`1.4.8`Advisories →
`1.5` to before 1.5.4	`1.5.4`Advisories →
Also listed as affected (12) `1.4` `1.4.1` `1.4.2` `1.4.3` `1.4.4` `1.4.5` `1.4.6` `1.4.7` `1.5` `1.5.1` `1.5.2` `1.5.3`

Description

The authentication framework (django.contrib.auth) in Django 1.4.x before 1.4.8, 1.5.x before 1.5.4, and 1.6.x before 1.6 beta 4 allows remote attackers to cause a denial of service (CPU consumption) via a long password which is then hashed.

References

Advisorywww.debian.org/security/2013/dsa-2758 ↗
ARTICLEwww.djangoproject.com/weblog/2013/sep/15/security/ ↗
Webpython.6.x6.nabble.com/Set-a-reasonable-upper-bound-on-password-length-td5032218.html ↗
Weblists.opensuse.org/opensuse-updates/2013-10/msg00015.html ↗
Weblists.opensuse.org/opensuse-updates/2013-11/msg00035.html ↗
Advisorygithub.com/advisories/GHSA-4c42-4rxm-x6qf ↗