Description
An issue was discovered in Django 5.1 before 5.1.1, 5.0 before 5.0.9, and 4.2 before 4.2.16. The urlize() and urlizetrunc() template filters are subject to a potential denial-of-service attack via very large inputs with a specific sequence of characters.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | python-django | 3:4.2.16-1 | — |
| Debian 13 | python-django | 3:4.2.16-1 | — |
| Debian 12 | python-django | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | python-django | 3:4.2.11-1ubuntu1.3 | USN-6987-1 |
| Ubuntu 22.04 LTS | python-django | 2:3.2.12-2ubuntu1.14 | USN-6987-1 |
| Ubuntu 20.04 LTS | python-django | 2:2.2.12-1ubuntu0.25 | USN-6987-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | python-django | 1:1.11.11-1ubuntu1.21+esm7 | USN-6987-1 |
| Ubuntu Pro 16.04 LTS | python-django | No fix yet | — |
| Ubuntu Pro 14.04 LTS | python-django | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Ansible Automation Platform Inside 2 | receptor +1 | 1.4.9-2.el8ap | RHSA-2024:8534 |
| Red Hat Ansible Automation Platform Developer 2 | receptor +1 | 1.4.9-2.el8ap | RHSA-2024:8534 |
| Red Hat Ansible Automation Platform 2 | automation-controller-venv-tower | 4.6.2-1.el8ap | RHSA-2024:8534 |
| Red Hat Ansible Automation Platform 2 | automation-gateway-server | 2.5.3-1.el8ap | RHSA-2024:8534 |
| Red Hat Ansible Automation Platform 2 | receptor +1 | 1.4.9-2.el8ap | RHSA-2024:8534 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | python-Django | 4.2.11-150600.3.9.1 | SUSE-SU-2024:3161-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP5 | python-Django | 2.2.28-bp155.7.18.1 | openSUSE-SU-2024:0282-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-Django | 5.1.1-1.1 | openSUSE-SU-2026:11248-1, openSUSE-SU-2024:14318-1 |
| openSUSE Tumbleweed | python-Django4 | 4.2.16-1.1 | openSUSE-SU-2026:11235-1, openSUSE-SU-2024:14310-1 |
| openSUSE Tumbleweed | python-Django5 | 5.2.16-1.1 | openSUSE-SU-2026:11270-1 |
| openSUSE Tumbleweed | python-Django6 | 6.0-1.1 | openSUSE-SU-2026:10005-1 |
| openSUSE Leap 15.6 | python-Django | 4.2.11-150600.3.9.1 | SUSE-SU-2024:3161-1 |
| openSUSE Leap 15.5 | python-Django | 2.0.7-150000.1.33.1 | openSUSE-SU-2024:0282-1, SUSE-SU-2024:3187-1, SUSE-SU-2024:3139-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | py3-django | 4.2.16-r0 | — |
| Alpine v3.23 | py3-django | 4.2.16-r0 | — |
| Alpine v3.22 | py3-django | 4.2.16-r0 | — |
| Alpine v3.21 | py3-django | 4.2.16-r0 | — |
| Alpine v3.20 | py3-django | 4.2.16-r0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | django | >= 5.1, < 5.1.1 | 5.1.1 | GHSA-5hgc-2vfp-mqvc |
| PyPI | django | >= 5.0, < 5.0.9 | 5.0.9 | GHSA-5hgc-2vfp-mqvc |
| PyPI | django | >= 4.2, < 4.2.16 | 4.2.16 | GHSA-5hgc-2vfp-mqvc |
| PyPI | django | >= 5.1, < 5.1.1 · >= 5.0, < 5.0.9 · >= 4.2, < 4.2.16 | 5.1.1, 5.0.9, 4.2.16 | PYSEC-2024-102 |
Advisories 13
- RHSA-2024:8534 Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Release Update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- openSUSE-SU-2026:11270-1 python313-Django5-5.2.16-1.1 on GA media SUSE / openSUSE Security Updates · Jul 15, 2026
- WID-SEC-2024-2044 Django: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 13, 2026
- openSUSE-SU-2026:11248-1 python313-Django-5.2.16-1.1 on GA media SUSE / openSUSE Security Updates · Jul 11, 2026
- openSUSE-SU-2026:11235-1 python313-Django4-4.2.30-4.1 on GA media SUSE / openSUSE Security Updates · Jul 10, 2026
- USN-6987-1 python-django vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2026:10005-1 python312-Django6-6.0-1.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2024:3139-1 Security update for python-Django SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:0282-1 Security update for python-Django SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3187-1 Security update for python-Django SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14310-1 python310-Django4-4.2.16-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14318-1 python310-Django-5.1.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:3161-1 Security update for python-Django SUSE / openSUSE Security Updates · Feb 4, 2026