UBUNTU-CVE-2021-44790

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Source
https://ubuntu.com/security/CVE-2021-44790
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-44790.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-44790
Upstream
Downstream
Related
Published
2021-12-20T12:15:00Z
Modified
2025-09-08T16:47:25Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerabilty though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and earlier.

References

Affected packages

Ubuntu:Pro:14.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm3?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-1ubuntu4.22+esm3

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-mpm-event"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-mpm-itk"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-mpm-prefork"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-mpm-worker"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-suexec"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm3",
            "binary_name": "apache2.2-bin"
        },
        {
            "binary_version": "1:2.4.7-1ubuntu4.22+esm3",
            "binary_name": "libapache2-mod-macro"
        },
        {
            "binary_version": "1:2.4.7-1ubuntu4.22+esm3",
            "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+esm4?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+esm4

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm4",
            "binary_name": "apache2-utils"
        }
    ]
}

Ubuntu:18.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.29-1ubuntu4.21?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.29-1ubuntu4.21

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.21",
            "binary_name": "apache2-utils"
        }
    ]
}

Ubuntu:20.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.9?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.41-4ubuntu3.9

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.9",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}

Ubuntu:22.04:LTS / apache2

Package

Name
apache2
Purl
pkg:deb/ubuntu/apache2@2.4.52-1ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.52-1ubuntu1

Affected versions

2.*

2.4.48-3.1ubuntu3
2.4.48-3.1ubuntu4
2.4.51-2ubuntu1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.52-1ubuntu1",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ]
}