CVE-2020-5313: Buffer Overflow

Published Jan 3, 2020
·
Updated

libImaging/FliDecode.c in Pillow before 6.2.2 has an FLI buffer overflow.

Other sources

An out-of-bounds read was discovered in python-pillow in the way it decodes FLI images. An application that uses python-pillow to load untrusted images may be vulnerable to this flaw, which can allow an attacker to read the memory of the application they should be not allowed to read.

libImaging/FliDecode.c in Pillow before 6.2.2 has an FLI buffer overflow.

Affected Software

14 affected componentsFixes available
redhat/python-pillow<0:2.0.0-21.gitd1c6db8.el7
0:2.0.0-21.gitd1c6db8.el7
redhat/python-pillow<0:5.1.1-12.el8_2
0:5.1.1-12.el8_2
redhat/python-pillow<6.2.2
6.2.2
pip/Pillow<6.2.2
6.2.2
Python Pillow<6.2.2
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=30
Fedoraproject Fedora=31
debian/pillow
8.1.2+dfsg-0.3+deb11u28.1.2+dfsg-0.3+deb11u39.4.0-1.1+deb12u111.1.0-5+deb13u411.1.0-5+deb13u312.2.0-112.3.0-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/python-pillow to a version that resolves this vulnerability.

    Fixed in 0:2.0.0-21.gitd1c6db8.el7
  2. Upgrade

    Upgrade redhat/python-pillow to a version that resolves this vulnerability.

    Fixed in 0:5.1.1-12.el8_2
  3. Upgrade

    Upgrade redhat/python-pillow to a version that resolves this vulnerability.

    Fixed in 6.2.2
  4. Upgrade

    Upgrade pip/Pillow to a version that resolves this vulnerability.

    Fixed in 6.2.2
  5. Upgrade

    Upgrade debian/pillow to a version that resolves this vulnerability.

    Fixed in 8.1.2+dfsg-0.3+deb11u2Fixed in 8.1.2+dfsg-0.3+deb11u3Fixed in 9.4.0-1.1+deb12u1Fixed in 11.1.0-5+deb13u4Fixed in 11.1.0-5+deb13u3Fixed in 12.2.0-1Fixed in 12.3.0-1
  6. Upgrade

    Upgrade python-pillow/Pillow to a version that resolves this vulnerability.

    Fixed in 6.2.2Patch a09acd0decd8a87ccce939d5ff65dab59e7d365b

Event History

Jan 3, 2020
CVE Published
12:00 AM
CVE Published
via MITRE·12:52 AM
Data Sourced
via MITRE·12:52 AM
Description
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Apr 1, 2020
Advisory Published
via GitHub·04:36 PM
Feb 21, 2026
Data Sourced
via Ubuntu·12:01 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·12:02 AM
Description
Jul 20, 2026
Data Sourced
via Debian·11:41 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the vulnerability ID of this flaw?

The vulnerability ID is CVE-2020-5313.

2

What is the severity of CVE-2020-5313?

The severity of CVE-2020-5313 is high, with a severity value of 8.2.

3

What is the affected software?

The affected software is python-pillow.

4

Which version(s) of python-pillow are affected?

python-pillow versions before 6.2.2 are affected.

5

How can the vulnerability be fixed?

The vulnerability can be fixed by updating python-pillow to version 6.2.2 or later.

Contact

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