Comment 54 for bug 1641238

Andreas Hasenack (ahasenack) wrote :

Since this is fixed in 2.4.40, that means eoan and focal have the fix already, since they are at 2.4.41.
Confirmed in the CHANGES file:
Changes with Apache 2.4.40
  *) mod_proxy_http: forward 100-continue, and minimize race conditions when
     reusing backend connections. PR 60330. [Yann Ylavic, Jean-Frederic Clere]