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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. Accept-Language headers are now limited to a maximum length in order to avoid this issue.
18 lines
649 B
Plaintext
18 lines
649 B
Plaintext
===========================
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Django 3.2.17 release notes
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===========================
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*February 1, 2023*
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Django 3.2.17 fixes a security issue with severity "moderate" in 3.2.16.
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CVE-2023-23969: Potential denial-of-service via ``Accept-Language`` headers
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===========================================================================
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The parsed values of ``Accept-Language`` headers are cached in order to avoid
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repetitive parsing. This leads to a potential denial-of-service vector via
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excessive memory usage if large header values are sent.
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In order to avoid this vulnerability, the ``Accept-Language`` header is now
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parsed up to a maximum length.
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