python-django: An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28
CVE-2026-1285 is fixed in 4 products on 1 platform, first by python-django 1:1.11.11-1ubuntu1.21+esm14, released February 3, 2026. It is not reported as exploited. Patch Radar priority: High.
An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. `django.utils.text.Truncator.chars()` and `Truncator.words()` methods (with `html=True`) and the `truncatechars_html` and `truncatewords_html` template filters allow a remote attacker to cause a potential denial-of-service via crafted inputs containing a large number of unmatched HTML end tags. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Seokchan Yoon for reporting this issue.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python-Django · opensuse-leap 15.6 | 4.2.11-150600.3.47.1 | SUSE-SU-2026:0440-1 | Feb 11, 2026 |
| python-Django · opensuse-leap 16.0 | 5.2.4-bp160.5.1 | OPENSUSE-SU-2026:20184-1 | Feb 7, 2026 |
| python-Django · sles 15.7 | 4.2.11-150600.3.47.1 | SUSE-SU-2026:0440-1 | Feb 11, 2026 |
| python-django · Debian 12.15 (bookworm) | 3:3.2.25-0+deb12u2 | DEBIAN-CVE-2026-1285 | Feb 3, 2026 |
| python-django · Debian 13.5 (trixie) | 3:4.2.28-0+deb13u1 | DEBIAN-CVE-2026-1285 | Feb 3, 2026 |
| python-django · Debian 14 | 3:4.2.28-1 | DEBIAN-CVE-2026-1285 | Feb 3, 2026 |
| python-django · Ubuntu 18.04.6 LTS (bionic) | 1:1.11.11-1ubuntu1.21+esm14 | python-django 1:1.11.11-1ubuntu1.21+esm14 | Feb 3, 2026 |
| python-django-common · Ubuntu 18.04.6 LTS (bionic) | 1:1.11.11-1ubuntu1.21+esm14 | python-django-common 1:1.11.11-1ubuntu1.21+esm14 | Feb 3, 2026 |
| python3-django · Ubuntu 18.04.6 LTS (bionic) | 1:1.11.11-1ubuntu1.21+esm14 | python3-django 1:1.11.11-1ubuntu1.21+esm14 | Feb 3, 2026 |
| python3-django · Ubuntu 20.04 LTS (focal) | 2:2.2.12-1ubuntu0.29+esm7 | python3-django 2:2.2.12-1ubuntu0.29+esm7 | Feb 3, 2026 |
| python3-django · Ubuntu 22.04.1 LTS (jammy) | 2:3.2.12-2ubuntu1.25 | python3-django 2:3.2.12-2ubuntu1.25 | Feb 3, 2026 |
| python3-django · Ubuntu 24.04.5 LTS (noble) | 3:4.2.11-1ubuntu1.14 | python3-django 3:4.2.11-1ubuntu1.14 | Feb 3, 2026 |
| python3-django · Ubuntu 25.10 (questing) | 3:5.2.4-1ubuntu2.3 | python3-django 3:5.2.4-1ubuntu2.3 | Feb 3, 2026 |
| python3-django · Ubuntu 26.04.1 LTS (resolute) | 3:5.2.9-0ubuntu3 | python3-django 3:5.2.9-0ubuntu3 | Feb 3, 2026 |
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