In Django 3.2 before 3.2.16, 4.0 before 4.0.8, and 4.1 before 4.1.2, internationalized URLs were subject to a potential denial of service attack via the locale parameter, which is treated as a regular expression.
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This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 9.7%, top 7% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
In Django 3.2 before 3.2.16, 4.0 before 4.0.8, and 4.1 before 4.1.2, internationalized URLs were subject to a potential denial of service attack via the locale parameter, which is treated as a regular expression.
October 16, 2022
May 14, 2025
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python-django-doc (2:2.2.12-1ubuntu0.14) @ focal | 2026-05-25 | ubuntu |
| redhat | python-django-0:3.2.18-1.el8pc | 2023-05-03 | redhat |
| redhat | python-django-0:3.2.16-1.0.1.el8ui | 2023-02-13 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| django | 3.2 ... 4.1.1 (26 versions) | 4.1.2 | — |
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redhat · ubuntu