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GHSA-q2jf-h9jm-m7p4

Django contains Uncontrolled Resource Consumption via cached header

Source: GitHub Advisory Database (reviewed) High CVE-2023-23969

Packages

EcosystemPackageAffectedFixed in
PyPI Django >= 3.2a1, < 3.2.17 3.2.17
PyPI Django >= 4.0a1, < 4.0.9 4.0.9
PyPI Django >= 4.1a1, < 4.1.6 4.1.6

Details

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

In Django 3.2 before 3.2.17, 4.0 before 4.0.9, and 4.1 before 4.1.6, the parsed values of Accept-Language headers are cached in order to avoid repetitive parsing. This leads to a potential denial-of-service vector via excessive memory usage if the raw value of Accept-Language headers is very large.

References

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