CVE-2019-20444: Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

January 29, 2020 (updated May 14, 2024)

HttpObjectDecoder.java in Netty allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an invalid fold.

References

github.com/netty/netty/issues/9866
nvd.nist.gov/vuln/detail/CVE-2019-20444

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