An issue was discovered in 5.2 before 5.2.9, 5.1 before 5.1.15, and 4.2 before 4.2.27. Algorithmic complexity in `django.core.serializers.xml_serializer.getInnerText()` allows a remote attacker to cause a potential denial-of-service attack triggering CPU and memory exhaustion via specially crafted XML input processed by the XML `Deserializer`. 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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| Django(PyPI) | 5.2a1 | 5.2.9 | N/A |
| Django(PyPI) | 5.1a1 | 5.1.15 | N/A |
| Django(PyPI) | 4.2a1 | 4.2.27 | N/A |
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