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Fencer Vulns
medium 6.5

CVE-2019-3498 json

Improper Input Validation in Django

published 2019-01-09 7 y ago modified 2026-06-17 4 mo ago also GHSA-337x-4q8g-prc5 , PYSEC-2019-17 , EUVD-2019-0041

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.4%
EPSS 3.4% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

In Django 1.11.x before 1.11.18, 2.0.x before 2.0.10, and 2.1.x before 2.1.5, an Improper Neutralization of Special Elements in Output Used by a Downstream Component issue exists in django.views.defaults.page_not_found(), leading to content spoofing (in a 404 error page) if a user fails to recognize that a crafted URL has malicious content.

Patch / fix

  • pypi django 1.11.18, 2.0.10, 2.1.5
  • djangoproject django 1.11.18, 2.0.10, 2.1.5
  • python-django Debian 14, Debian 13, Debian 12 1:1.11.18-1

debian advisories DEBIAN-CVE-2019-3498

  • python-django Ubuntu 14.04 LTS 1.6.11-0ubuntu1.3
  • python-django Ubuntu 16.04 LTS 1.8.7-1ubuntu5.7
  • python-django Ubuntu 18.04 LTS 1:1.11.11-1ubuntu1.2

ubuntu advisories UBUNTU-CVE-2019-3498

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kibana OpenStack Cloud 7 4.6.3-5.1
  • ansible OpenStack Cloud 7 2.2.3.0-12.2
  • grafana OpenStack Cloud 7 4.6.5-1.14.1
  • memcached OpenStack Cloud 7 1.5.17-3.6.1
  • python-py OpenStack Cloud 7 1.8.1-11.12.1
  • zookeeper OpenStack Cloud 7 3.4.10-6.1
  • crowbar-ha OpenStack Cloud 7 4.0+git.1585316203.d6ad2c8-4.52.4
  • keepalived OpenStack Cloud 7 2.0.19-1.8.1

suse advisories SUSE-RU-2020:2072-1SUSE-SU-2019:3127-1SUSE-SU-2019:1862-1SUSE-SU-2019:0483-1

  • python-Django5 openSUSE Tumbleweed 5.2.16-1.1
  • python-Django openSUSE Tumbleweed 5.2.16-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.30-4.1
  • python-Django6 openSUSE Tumbleweed 6.0-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.14-1.1
  • python-Django openSUSE Tumbleweed 3.2.7-2.3
  • python-Django openSUSE Tumbleweed 4.2.11-2.1

opensuse advisories openSUSE-SU-2026:11270-1openSUSE-SU-2026:11248-1openSUSE-SU-2026:11235-1openSUSE-SU-2026:10005-1openSUSE-SU-2024:14208-1openSUSE-SU-2024:11205-1

  • py-django Alpine 3.10, Alpine 3.9, Alpine 3.8 +2 more 1.11.18-r0
  • py3-django Alpine 3.24, Alpine 3.23, Alpine 3.22 +11 more 1.11.18-r0

alpine advisories ALPINE-CVE-2019-3498

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python-django Arch Linux 2.1.5-1

arch linux advisories AVG-839

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-3498 updated cvss 4.3

python-django: Content spoofing via URL path in default 404 page

  • Red Hat Ceph Storage 2 python-django, python-django-bash-completion
    affected: no fix available
  • Red Hat Ceph Storage 3 python-django, python-django-bash-completion
    affected: no fix available “Fix deferred”
  • Red Hat Certification for Red Hat Enterprise Linux 7 python-django
    affected: no fix available
  • Red Hat OpenStack Platform 8 (Liberty) python-django, python-django-bash-completion Red Hat OpenStack Platform 8 (Liberty) Operational Tools python-django, python-django-bash-completion
    affected: no fix planned “Will not fix”
  • Red Hat OpenStack Platform 9 (Mitaka) python-django, python-django-bash-completion Red Hat OpenStack Platform 9 (Mitaka) Operational Tools python-django, python-django-bash-completion Red Hat OpenStack Platform 10 (Newton) python-django, python-django-bash-completion Red Hat OpenStack Platform 13 (Queens) python-django, python2-django, python-django-bash-completion Red Hat OpenStack Platform 14 (Rocky) python2-django, python-django-bash-completion Red Hat Storage 3 python-django, python2-django, python-django-bash-completion
    affected: no fix available “Fix deferred”
  • Red Hat Subscription Asset Manager Django
    affected: no fix planned “Will not fix”
  • Red Hat Update Infrastructure 3 for Cloud Providers python-django
    affected: no fix available “Fix deferred”
  • Red Hat Satellite 6 python-django, python2-django, python-django-bash-completion
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.43% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi django
>=1.11a1, <1.11.18
>=2.0a1, <2.0.10
>=2.1a1, <2.1.5
>=1.11, <1.11.18
>=2.0, <2.0.10
>=2.1, <2.1.5
1.11.18
2.0.10
2.1.5

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.