UBUNTU-CVE-2021-28676

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2021-28676
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28676.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-28676
Upstream
Downstream
Related
Published
2021-05-10T00:00:00Z
Modified
2025-07-16T07:55:09.191555Z
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 - low
Summary
[none]
Details

An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.

References

Affected packages

Ubuntu:Pro:14.04:LTS / pillow

Package

Name
pillow
Purl
pkg:deb/ubuntu/pillow@2.3.0-1ubuntu3.4+esm4?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

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

Affected versions

2.*

2.2.1-1ubuntu2
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
2.3.0-1ubuntu3.4+esm3
2.3.0-1ubuntu3.4+esm4

Ubuntu:Pro:16.04:LTS / pillow

Package

Name
pillow
Purl
pkg:deb/ubuntu/pillow@3.1.2-0ubuntu1.6+esm2?arch=source&distro=esm-infra/xenial

Affected ranges

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

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
3.1.2-0ubuntu1.6+esm1
3.1.2-0ubuntu1.6+esm2

Ubuntu:18.04:LTS / pillow

Package

Name
pillow
Purl
pkg:deb/ubuntu/pillow@5.1.0-1ubuntu0.6?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.1.0-1ubuntu0.6

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python-pil",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python-pil-dbg",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python-pil-doc",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python-pil.imagetk",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python-pil.imagetk-dbg",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python3-pil",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python3-pil-dbg",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python3-pil.imagetk",
            "binary_version": "5.1.0-1ubuntu0.6"
        },
        {
            "binary_name": "python3-pil.imagetk-dbg",
            "binary_version": "5.1.0-1ubuntu0.6"
        }
    ]
}

Ubuntu:20.04:LTS / pillow

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
7.0.0-4ubuntu0.4

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

Ecosystem specific 

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

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