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Security Advisories

CVE-2025-64458

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-64458

Severity

7.5

High

CVSS V3

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Description

An issue was discovered in 5.1 before 5.1.14, 4.2 before 4.2.26, and 5.2 before 5.2.8. NFKC normalization in Python is slow on Windows. As a consequence, django.http.HttpResponseRedirect, django.http.HttpResponsePermanentRedirect, and the shortcut django.shortcuts.redirect were subject to a potential denial-of-service attack via certain inputs with a very large number of Unicode characters. 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.

References

  • https://nvd.nist.gov/vuln/detail/CVE-2025-64458

Affected packages


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