K16090693 : Apache HTTP server vulnerability CVE-2021-44224

Security Advisory Description

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included). (CVE-2021-44224)

Impact
This can allow for requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). In the worst case, this could cause a denial of service or compromise to confidentiality of data.
For products with Nonein the Versions known to be vulnerable column, there is no impact.