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Vulnerability advisory

CVE-2023-23969

Published Updated OSV record ↗

Also known as BIT-django-2023-23969GHSA-q2jf-h9jm-m7p4PYSEC-2023-12

Severity
  • CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected versions

Repository

Affected commitsFixed by commit
GIT github.com/django/django ↗
3591e1c1acbd7c13174275367c3fdf012cb0413b to before aed1bb56d118937d5d6f3ec72f170779dd8c74cdaed1bb56d118937d5d6f3ec72f170779dd8c74cd
ef62a3a68c9d558486145a42c0d71ea9a76add9e to before ca891ef44b27eb93890846615e0121037e6c8a35ca891ef44b27eb93890846615e0121037e6c8a35
9fee86e44dd83dc968ec443adcde191b3eba1286 to before f4909f7f7e5220e5a7eb9119beb959577263c63df4909f7f7e5220e5a7eb9119beb959577263c63d

Description

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

  • Codex
  • Claude Code
  • VS Code
  • GitHub Copilot
  • Cursor
  • Cline
  • Windsurf
  • Google Anti-gravity
  • OpenCode
  • Pi
  • Gemini CLI
  • Hermes Agent
  • Zed
  • Junie
  • Qwen Code
  • Kiro
  • Kilo Code
  • Factory Droid

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