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CVE-2021-44224

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).


Affected Software


CPE Name Name Version
apache2 2.2.16
apache2 2.2.17
apache2 2.2.20
apache2 2.2.21
apache2 2.2.22
apache2 2.4.10
apache2 2.4.12
apache2 2.4.16
apache2 2.4.17
apache2 2.4.18
apache2 2.4.20
apache2 2.4.23
apache2 2.4.25
apache2 2.4.26
apache2 2.4.27
apache2 2.4.28
apache2 2.4.29
apache2 2.4.3
apache2 2.4.33
apache2 2.4.34
apache2 2.4.35
apache2 2.4.37
apache2 2.4.38
apache2 2.4.39
apache2 2.4.4
apache2 2.4.41
apache2 2.4.43
apache2 2.4.46
apache2 2.4.48
apache2 2.4.49
apache2 2.4.50
apache2 2.4.51
apache2 2.4.6
apache2 2.4.7
apache2 2.4.9

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