Wed Jan 22 2020 17:45:22 UTC
It's not a bug. It's an undocumented feature.
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ID Product Comp Assignee Status Resolution Summary Changed
59840 Apache h mod_http bugs NEED --- Segmentation fault during the request processing 2018-04-28
60663 Apache h mod_http bugs NEED --- Sends "411 Content Length Required" reply to OPTIONS request with empty body 2018-04-28
60969 Apache h mod_http bugs NEW --- HTTP/2 & Certificate path can lead to 421 2019-12-11
63066 Apache h mod_http bugs NEW --- Add support for ACME TLS-ALPN Challenges 2019-03-19
63870 Apache h mod_http bugs NEED --- Core dump 2019-10-29
5 bugs found.

as

File a new bug in the "mod_http2" component of the "Apache httpd-2" product