UBUNTU-CVE-2006-20001

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2006-20001
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2006/UBUNTU-CVE-2006-20001.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2006-20001
Upstream
Downstream
Related
Published
2023-01-17T20:15:00Z
Modified
2025-09-08T16:42:49Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:14.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm10?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.6-2ubuntu2
2.4.6-2ubuntu3
2.4.6-2ubuntu4
2.4.7-1ubuntu1
2.4.7-1ubuntu2
2.4.7-1ubuntu3
2.4.7-1ubuntu4
2.4.7-1ubuntu4.1
2.4.7-1ubuntu4.4
2.4.7-1ubuntu4.5
2.4.7-1ubuntu4.6
2.4.7-1ubuntu4.7
2.4.7-1ubuntu4.8
2.4.7-1ubuntu4.9
2.4.7-1ubuntu4.10
2.4.7-1ubuntu4.11
2.4.7-1ubuntu4.13
2.4.7-1ubuntu4.15
2.4.7-1ubuntu4.16
2.4.7-1ubuntu4.17
2.4.7-1ubuntu4.18
2.4.7-1ubuntu4.19
2.4.7-1ubuntu4.20
2.4.7-1ubuntu4.21
2.4.7-1ubuntu4.22
2.4.7-1ubuntu4.22+esm1
2.4.7-1ubuntu4.22+esm2
2.4.7-1ubuntu4.22+esm3
2.4.7-1ubuntu4.22+esm4
2.4.7-1ubuntu4.22+esm5
2.4.7-1ubuntu4.22+esm6
2.4.7-1ubuntu4.22+esm8
2.4.7-1ubuntu4.22+esm9
2.4.7-1ubuntu4.22+esm10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-mpm-event"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-mpm-itk"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-mpm-prefork"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-mpm-worker"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-suexec"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm10",
            "binary_name": "apache2.2-bin"
        },
        {
            "binary_version": "1:2.4.7-1ubuntu4.22+esm10",
            "binary_name": "libapache2-mod-macro"
        },
        {
            "binary_version": "1:2.4.7-1ubuntu4.22+esm10",
            "binary_name": "libapache2-mod-proxy-html"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.18-2ubuntu3.17+esm8?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.18-2ubuntu3.17+esm8

Affected versions

2.*

2.4.12-2ubuntu2
2.4.17-1ubuntu1
2.4.17-2ubuntu1
2.4.17-3ubuntu1
2.4.18-1ubuntu1
2.4.18-2ubuntu1
2.4.18-2ubuntu2
2.4.18-2ubuntu3
2.4.18-2ubuntu3.1
2.4.18-2ubuntu3.2
2.4.18-2ubuntu3.3
2.4.18-2ubuntu3.4
2.4.18-2ubuntu3.5
2.4.18-2ubuntu3.7
2.4.18-2ubuntu3.8
2.4.18-2ubuntu3.9
2.4.18-2ubuntu3.10
2.4.18-2ubuntu3.12
2.4.18-2ubuntu3.13
2.4.18-2ubuntu3.14
2.4.18-2ubuntu3.15
2.4.18-2ubuntu3.17
2.4.18-2ubuntu3.17+esm1
2.4.18-2ubuntu3.17+esm2
2.4.18-2ubuntu3.17+esm3
2.4.18-2ubuntu3.17+esm4
2.4.18-2ubuntu3.17+esm5
2.4.18-2ubuntu3.17+esm6
2.4.18-2ubuntu3.17+esm7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm8",
            "binary_name": "apache2-utils"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:18.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.26?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.26

Affected versions

2.*

2.4.27-2ubuntu3
2.4.29-1ubuntu1
2.4.29-1ubuntu2
2.4.29-1ubuntu3
2.4.29-1ubuntu4
2.4.29-1ubuntu4.1
2.4.29-1ubuntu4.2
2.4.29-1ubuntu4.3
2.4.29-1ubuntu4.4
2.4.29-1ubuntu4.5
2.4.29-1ubuntu4.6
2.4.29-1ubuntu4.7
2.4.29-1ubuntu4.8
2.4.29-1ubuntu4.10
2.4.29-1ubuntu4.11
2.4.29-1ubuntu4.12
2.4.29-1ubuntu4.13
2.4.29-1ubuntu4.14
2.4.29-1ubuntu4.16
2.4.29-1ubuntu4.17
2.4.29-1ubuntu4.18
2.4.29-1ubuntu4.19
2.4.29-1ubuntu4.20
2.4.29-1ubuntu4.21
2.4.29-1ubuntu4.22
2.4.29-1ubuntu4.23
2.4.29-1ubuntu4.24
2.4.29-1ubuntu4.25

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.26",
            "binary_name": "apache2-utils"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.13?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.13

Affected versions

2.*

2.4.41-1ubuntu1
2.4.41-4ubuntu1
2.4.41-4ubuntu2
2.4.41-4ubuntu3
2.4.41-4ubuntu3.1
2.4.41-4ubuntu3.3
2.4.41-4ubuntu3.4
2.4.41-4ubuntu3.5
2.4.41-4ubuntu3.6
2.4.41-4ubuntu3.7
2.4.41-4ubuntu3.8
2.4.41-4ubuntu3.9
2.4.41-4ubuntu3.10
2.4.41-4ubuntu3.11
2.4.41-4ubuntu3.12

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.13",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:22.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.52-1ubuntu4.3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1ubuntu4.3

Affected versions

2.*

2.4.48-3.1ubuntu3
2.4.48-3.1ubuntu4
2.4.51-2ubuntu1
2.4.52-1ubuntu1
2.4.52-1ubuntu2
2.4.52-1ubuntu4
2.4.52-1ubuntu4.1
2.4.52-1ubuntu4.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.52-1ubuntu4.3",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ],
    "availability": "No subscription required"
}