UBUNTU-CVE-2021-23437

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Source

https://ubuntu.com/security/CVE-2021-23437

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-23437.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-23437

Related

Published

2021-09-03T16:15:00Z

Modified

2025-06-03T17:35:27Z

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
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

Summary

[none]

Details

The package pillow 5.2.0 and before 8.3.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the getrgb function.

References

Affected packages

Ubuntu:Pro:14.04:LTS / pillow

Package

Name: pillow
Purl: pkg:deb/ubuntu/pillow@2.3.0-1ubuntu3.4+esm3?arch=source&distro=trusty/esm

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.3.0-1ubuntu3.4+esm3

Affected versions

2.*

2.2.1-1ubuntu2

2.2.1-2ubuntu1

2.2.1-3ubuntu2

2.2.1-3ubuntu3

2.2.1-3ubuntu4

2.2.1-3ubuntu6

2.3.0-1ubuntu1

2.3.0-1ubuntu2

2.3.0-1ubuntu3

2.3.0-1ubuntu3.2

2.3.0-1ubuntu3.3

2.3.0-1ubuntu3.4

2.3.0-1ubuntu3.4+esm1

2.3.0-1ubuntu3.4+esm2

Ecosystem specific

{
    "ubuntu_priority": "low",
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python-imaging",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-compat",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-doc",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-sane",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-sane-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-tk",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-imaging-tk-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil-dbgsym",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil-doc",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil.imagetk",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil.imagetk-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-pil.imagetk-dbgsym",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-sane",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-sane-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python-sane-dbgsym",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-imaging",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-imaging-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-imaging-sane",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-imaging-sane-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-imaging-tk",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-imaging-tk-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-pil",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-pil-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-pil-dbgsym",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-pil.imagetk",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-pil.imagetk-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-pil.imagetk-dbgsym",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-sane",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-sane-dbg",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        },
        {
            "binary_name": "python3-sane-dbgsym",
            "binary_version": "2.3.0-1ubuntu3.4+esm3"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / pillow

Package

Name: pillow
Purl: pkg:deb/ubuntu/pillow@3.1.2-0ubuntu1.6+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.1.2-0ubuntu1.6+esm1

Affected versions

2.*

2.9.0-1

3.*

3.0.0-1

3.0.0-1build1

3.1.0-1

3.1.1-1

3.1.2-0ubuntu1

3.1.2-0ubuntu1.1

3.1.2-0ubuntu1.3

3.1.2-0ubuntu1.4

3.1.2-0ubuntu1.5

3.1.2-0ubuntu1.6

Ecosystem specific

{
    "ubuntu_priority": "low",
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "python-imaging",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python-pil",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python-pil-dbg",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python-pil-doc",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python-pil.imagetk",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python-pil.imagetk-dbg",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python3-pil",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python3-pil-dbg",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python3-pil.imagetk",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        },
        {
            "binary_name": "python3-pil.imagetk-dbg",
            "binary_version": "3.1.2-0ubuntu1.6+esm1"
        }
    ]
}

Ubuntu:18.04:LTS / pillow

Package

Name: pillow
Purl: pkg:deb/ubuntu/pillow@5.1.0-1ubuntu0.7?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.1.0-1ubuntu0.7

Affected versions

4.*

4.1.1-3build2

4.3.0-2ubuntu1

5.*

5.0.0-1

5.1.0-1

5.1.0-1ubuntu0.2

5.1.0-1ubuntu0.3

5.1.0-1ubuntu0.4

5.1.0-1ubuntu0.5

5.1.0-1ubuntu0.6

Ecosystem specific

{
    "ubuntu_priority": "low",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-pil",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python-pil-dbg",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python-pil-doc",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python-pil.imagetk",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python-pil.imagetk-dbg",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python3-pil",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python3-pil-dbg",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python3-pil.imagetk",
            "binary_version": "5.1.0-1ubuntu0.7"
        },
        {
            "binary_name": "python3-pil.imagetk-dbg",
            "binary_version": "5.1.0-1ubuntu0.7"
        }
    ]
}

Ubuntu:20.04:LTS / pillow

Package

Name: pillow
Purl: pkg:deb/ubuntu/pillow@7.0.0-4ubuntu0.5?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

7.0.0-4ubuntu0.5

Affected versions

6.*

6.1.0-1

6.1.0-1build1

6.2.1-2

7.*

7.0.0-4

7.0.0-4build1

7.0.0-4ubuntu0.1

7.0.0-4ubuntu0.2

7.0.0-4ubuntu0.3

7.0.0-4ubuntu0.4

Ecosystem specific

{
    "ubuntu_priority": "low",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-pil-doc",
            "binary_version": "7.0.0-4ubuntu0.5"
        },
        {
            "binary_name": "python3-pil",
            "binary_version": "7.0.0-4ubuntu0.5"
        },
        {
            "binary_name": "python3-pil-dbg",
            "binary_version": "7.0.0-4ubuntu0.5"
        },
        {
            "binary_name": "python3-pil.imagetk",
            "binary_version": "7.0.0-4ubuntu0.5"
        },
        {
            "binary_name": "python3-pil.imagetk-dbg",
            "binary_version": "7.0.0-4ubuntu0.5"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / pillow-python2

Package

Name: pillow-python2
Purl: pkg:deb/ubuntu/pillow-python2@6.2.1-3ubuntu0.1~esm2?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

6.*

6.2.1-3~build1

6.2.1-3

6.2.1-3ubuntu0.1~esm1

6.2.1-3ubuntu0.1~esm2

Ecosystem specific

{
    "ubuntu_priority": "low"
}

Ubuntu:22.04:LTS / pillow

Package

Name: pillow
Purl: pkg:deb/ubuntu/pillow@9.0.0-1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

9.0.0-1

Affected versions

8.*

8.1.2+dfsg-0.3

Ecosystem specific

{
    "ubuntu_priority": "low",
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-pil-doc",
            "binary_version": "9.0.0-1"
        },
        {
            "binary_name": "python3-pil",
            "binary_version": "9.0.0-1"
        },
        {
            "binary_name": "python3-pil-dbgsym",
            "binary_version": "9.0.0-1"
        },
        {
            "binary_name": "python3-pil.imagetk",
            "binary_version": "9.0.0-1"
        },
        {
            "binary_name": "python3-pil.imagetk-dbgsym",
            "binary_version": "9.0.0-1"
        }
    ]
}