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CVE-2006-20001

Published: 17 January 2023

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
apache2
Launchpad, Ubuntu, Debian
focal
Released (2.4.41-4ubuntu3.13)
lunar
Released (2.4.55-1ubuntu1)
bionic
Released (2.4.29-1ubuntu4.26)
jammy
Released (2.4.52-1ubuntu4.3)
kinetic
Released (2.4.54-2ubuntu1.1)
trusty Needed

upstream
Released (2.4.55-1)
xenial
Released (2.4.18-2ubuntu3.17+esm8)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
mantic
Released (2.4.55-1ubuntu1)
Patches:
upstream: https://github.com/apache/httpd/commit/7469547c3f617717ca545d0f7c56d01134703813

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H