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GHSA-5mf9-h53q-7mhq

Django has potential DoS via MultiPartParser through crafted multipart uploads

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-33033

Packages

EcosystemPackageAffectedFixed in
PyPI Django >= 6.0, < 6.0.4 6.0.4
PyPI Django >= 5.2, < 5.2.13 5.2.13
PyPI Django >= 4.2, < 4.2.30 4.2.30

Details

As written in the advisory (Markdown source, shown as plain text).

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. `MultiPartParser` allows remote attackers to degrade performance by submitting multipart uploads with `Content-Transfer-Encoding: base64` including excessive whitespace. 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

External links from the advisory. They lead to third-party sites.