CVE-2020-10177: Medium severity Python Pillow vulnerability

Published Jun 25, 2020
·
Updated

A flaw was found in python-pillow. Multiple out-of-bounds reads occur in libImaging/FliDecode.c.

Other sources

Pillow before 6.2.3 and 7.x before 7.0.1 has multiple out-of-bounds reads in libImaging/FliDecode.c.

Pull Request:

https://github.com/python-pillow/Pillow/pull/4538

Upstream Advisory:

https://pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html

Upstream Advisory:

https://pillow.readthedocs.io/en/stable/releasenotes/6.2.3.html

Red Hat

Pillow before 7.1.0 has multiple out-of-bounds reads in libImaging/FliDecode.c.

GitHub

Pillow before 7.1.0 has multiple out-of-bounds reads in libImaging/FliDecode.c.

Affected Software

10 affected componentsFixes available
redhat/python-pillow<7.1.0
7.1.0
pip/Pillow<7.1.0
7.1.0
Python Pillow<7.1.0
Debian Debian Linux=9.0
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
debian/pillow
8.1.2+dfsg-0.3+deb11u28.1.2+dfsg-0.3+deb11u39.4.0-1.1+deb12u111.1.0-511.1.0-5+deb13u112.1.1-1

Event History

Jun 25, 2020
CVE Published
12:00 AM
Data Sourced
12:00 AM
RemedyDescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:33 PM
Data Sourced
via MITRE·06:33 PM
Description
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 27, 2020
Advisory Published
via GitHub·09:52 PM
Feb 25, 2026
Data Sourced
via Ubuntu·06:12 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·06:13 PM
Description
Mar 9, 2026
Data Sourced
via Debian·06:24 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2020-10177?

The severity of CVE-2020-10177 is medium with a severity value of 5.9.

2

What is the affected software for CVE-2020-10177?

The affected software for CVE-2020-10177 includes python-pillow versions up to and excluding 7.1.0, pillow versions up to and excluding 3.1.2-0ubuntu1.4, 5.1.0-1ubuntu0.3, and 7.1.0, and debian/pillow versions up to and excluding 5.4.1-2+deb10u3, 8.1.2+dfsg-0.3+deb11u1, 9.4.0-1.1, and 10.0.0-1.

3

How do I fix CVE-2020-10177 in python-pillow?

To fix CVE-2020-10177 in python-pillow, update to version 7.1.0 or later.

4

How do I fix CVE-2020-10177 in pillow for Ubuntu?

To fix CVE-2020-10177 in pillow for Ubuntu, update to version 3.1.2-0ubuntu1.4, 5.1.0-1ubuntu0.3, or 7.1.0 depending on the Ubuntu release.

5

How do I fix CVE-2020-10177 in debian/pillow?

To fix CVE-2020-10177 in debian/pillow, update to version 5.4.1-2+deb10u3, 8.1.2+dfsg-0.3+deb11u1, 9.4.0-1.1, or 10.0.0-1.

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