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CVE-2021-44224

Published: 20 December 2021

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).

Priority

Medium

CVSS 3 base score: 8.2

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
bionic
Released (2.4.29-1ubuntu4.21)
focal
Released (2.4.41-4ubuntu3.9)
hirsute
Released (2.4.46-4ubuntu1.5)
impish
Released (2.4.48-3.1ubuntu3.2)
jammy
Released (2.4.52-1ubuntu1)
trusty
Released (2.4.7-1ubuntu4.22+esm3)
upstream
Released (2.4.52)
xenial
Released (2.4.18-2ubuntu3.17+esm4)