Rapid7

vulnerability

Alpine Linux: CVE-2021-44224: NULL Pointer Dereference

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:P)
Published
Dec 20, 2021
Added
Aug 22, 2024
Modified
Mar 25, 2026

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).

Solution

alpine-linux-upgrade-apache2
Title
Rapid7 Labs

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