UBUNTU-CVE-2021-30641

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Source

https://ubuntu.com/security/CVE-2021-30641

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-30641.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-30641

Upstream

CVE-2021-30641

Downstream

USN-4994-1

USN-4994-2

Related

Published

2021-06-10T07:15:00Z

Modified

2025-09-08T16:47:07Z

Severity

5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'

References

Affected packages

Ubuntu:Pro:14.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.22+esm1?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+esm1

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-mpm-event"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-mpm-itk"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-mpm-prefork"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-mpm-worker"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-suexec"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.7-1ubuntu4.22+esm1",
            "binary_name": "apache2.2-bin"
        },
        {
            "binary_version": "1:2.4.7-1ubuntu4.22+esm1",
            "binary_name": "libapache2-mod-macro"
        },
        {
            "binary_version": "1:2.4.7-1ubuntu4.22+esm1",
            "binary_name": "libapache2-mod-proxy-html"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Ubuntu:Pro:16.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.18-2ubuntu3.17+esm1?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+esm1

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.18-2ubuntu3.17+esm1",
            "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@2.4.29-1ubuntu4.16?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.4.29-1ubuntu4.16

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

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.29-1ubuntu4.16",
            "binary_name": "apache2-utils"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / apache2

Package

Name: apache2
Purl: pkg:deb/ubuntu/apache2@2.4.41-4ubuntu3.3?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.4.41-4ubuntu3.3

Affected versions

2.*

2.4.41-1ubuntu1

2.4.41-4ubuntu1

2.4.41-4ubuntu2

2.4.41-4ubuntu3

2.4.41-4ubuntu3.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-bin"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-data"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-ssl-dev"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-suexec-custom"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-suexec-pristine"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "apache2-utils"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "libapache2-mod-md"
        },
        {
            "binary_version": "2.4.41-4ubuntu3.3",
            "binary_name": "libapache2-mod-proxy-uwsgi"
        }
    ],
    "availability": "No subscription required"
}