CVE-2019-14233
HIGH7.5EPSS 6.8%Django Denial-of-service in strip_tags()
Published: 8/6/2019Modified: 4/28/2026
Description
An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. Due to the behaviour of the underlying HTMLParser, django.utils.html.strip_tags would be extremely slow to evaluate certain inputs containing large sequences of nested incomplete HTML entities.
Affected packages (5)
- Alpine/py3-djangofrom 0, < 1.11.23-r0
- Alpine/py-djangofrom 0, < 1.11.23-r0
- Debian/python-djangofrom 0, < 2:2.2.4-1
- PyPI/django>= 1.11a1, < 1.11.23
- PyPI/django>= 2.1, < 2.1.11, >= 2.2, < 2.2.4, >= 1.11, < 1.11.23
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (20)
- ADVISORYhttps://github.com/advisories/GHSA-h5jv-4p7w-64jg
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2019-14233
- ADVISORYhttps://security.alpinelinux.org/vuln/CVE-2019-14233
- ADVISORYhttps://security.netapp.com/advisory/ntap-20190828-0002/
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2019-14233
- ADVISORYhttps://www.djangoproject.com/weblog/2019/aug/01/security-releases/
- PATCHhttps://github.com/django/django
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html
- WEBhttp://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html
- WEBhttps://docs.djangoproject.com/en/dev/releases/security
- WEBhttps://docs.djangoproject.com/en/dev/releases/security/
- WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2019-12.yaml
- WEBhttps://groups.google.com/forum/#!topic/django-announce/jIoju2-KLDs
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/
- WEBhttps://seclists.org/bugtraq/2019/Aug/15
- WEBhttps://security.gentoo.org/glsa/202004-17
- WEBhttps://security.netapp.com/advisory/ntap-20190828-0002
- WEBhttps://www.debian.org/security/2019/dsa-4498
- WEBhttps://www.djangoproject.com/weblog/2019/aug/01/security-releases