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Nick Pope 8a7b22d4a6 [4.2.x] Fixed CVE-2023-23969 -- Prevented DoS with pathological values for Accept-Language.
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.
2023-02-01 09:45:07 +01:00
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